The CODE Construction. Design. Engineering. India's No.1 Construction Podcast

Rishabh Aggarwal

🚀 Welcome to The CODE- India's No.1 Construction Podcast! 🚀 🌟 About Us: Exploring the intersection of construction, design, and engineering, we delve into captivating discussions, insights, and stories shaping our world. 💡 What We Offer: Insightful Interviews Thought-Provoking Discussions Inspirational Stories 🔍 Our Vision: Fostering collaboration, sparking dialogue, and inspiring the next generation of trailblazers in our industry. 🎧 How to Connect: Tune in for episodes filled with valuable insights. Subscribe and join the conversation! ✨ Welcome to The CODE Podcast! ✨

  1. Sahba Ne Design Kiya. L&T Ne 6 Saal Mein Banaya. — Lotus Temple Ki Real Engineering Story TC 158

    2 days ago

    Sahba Ne Design Kiya. L&T Ne 6 Saal Mein Banaya. — Lotus Temple Ki Real Engineering Story TC 158

    Vatican se zyada visited. Eiffel Tower se zyada. Taj Mahal se bhi zyada. — Aur banaya kisne? Ek 28 saal ke Iranian architect ne design kiya, British engineers ne maths solve kiya, aur L&T ke Indian workers ne 6 saal mein impossible ko reality bana diya.1976 mein Fariborz Sahba ne ek lotus-shaped building ka design banaya — 27 petals, 9 sides, 9 reflection pools. Engineers ne dekha aur ek line boli: "Ye structurally banaya nahi ja sakta."Phir bhi — 1986 mein South Delhi ke Kalkaji mein wo building khadi ho gayi. Aur aaj — 40 saal baad — 10 crore se zyada log ise visit kar chuke hain. Guinness World Records ke according — world's most visited religious building.Is episode mein hum dive karenge:→ Sahba ka India travel aur lotus discovery — Hindu, Buddhist, Sikh, Mughal heritage mein chhupa hua symbol→ Bahá'í Faith ka philosophy — 9 ka significance, no clergy, no rituals→ Flint & Neill (UK) ka 18-mahine ka structural design challenge — aur ring beam ka brilliant solution→ L&T ECC Construction Group ki 6-saal ki journey — bina modern computers ke 27 double-curved concrete shells banana→ Greek Pentelic marble — wahi marble jo Parthenon mein laga hai — aur Indian craftsmen jinhone use haath se fit kiya→ 9 reflection pools ka hidden secret — passive cooling system jo Delhi ki 45° garmi mein building ko 5-8 degrees cooler rakhta hai, bina AC ke→ Awards: Institution of Structural Engineers (UK), American Institute of Architects, American Concrete Institute, GlobArt Vienna→ Aur sabse bada reveal — kaise is ek project ne Indian construction industry ko world-class bana diyaYe sirf ek dharmik building ki kahani nahi hai. Ye Iranian vision, British engineering, aur Indian hands ki combined kahani hai. Ye Indian construction industry ki adulthood ka moment hai.Architecture ka sabse bada kaam structure khada karna nahi hai — log ki inner state badalna hai through space. Aur Lotus Temple ne ye prove kar diya.🎙️ The CODE — India ke buildings, builders, aur unke chhupe huye stories.Host: Rishabh Aggarwal👉 The CODE Academy — Practical building science aur material decisions ke fundamentals. Link in description.🔔 Subscribe karo, bell icon dabao — aage aane wali episode mein India ke pehle skyscraper ki kahani.#LotusTemple #FariborzSahba #LarsenAndToubro #IndianArchitecture #TheCODE

    15 min
  2. The Waterproofing Truth No One Tells You ft. Sunny Surlaker | TC 157 | The CODE

    29 May

    The Waterproofing Truth No One Tells You ft. Sunny Surlaker | TC 157 | The CODE

    Aapka ghar 10 saal mein kyun leak karta hai? Aur kya isse roka ja sakta hai? In this episode of The CODE, we sit down with Sunny Surlaker — Director at Assess Build Chem and one of India's leading concrete, admixtures & materials technologists (VJTI Mumbai + University of Michigan), with 13+ years of experience across India, Europe, the Middle East & Brazil. This isn't just a technical conversation. It's a wake-up call for every homeowner, civil engineer, architect, interior designer and builder in India. Sunny shares why durability — not just strength — is the real measure of good construction, why waterproofing is a SYSTEM and not a product, and the 5 specific steps to near-perfect waterproofing of any building. We get into why "cement se crack band kar do" is quietly destroying your structure, why structural repair should start with diagnosis like a doctor, and why Mughal-era and colonial buildings still stand strong while new construction cracks within years. We close by looking ahead — self-healing concrete, crystalline waterproofing, AI and structural health monitoring — and what every civil engineering student must understand before they graduate. Whether you're building your dream home, designing a project, or fighting seepage that just won't go away — this conversation will change how you look at every wall, slab and terrace around you. 🎙️ Guest: Sunny Surlaker | Assess Build Chem If this episode adds value, follow The CODE and share it with someone who's building or buying a home. The CODE — India's No.1 Construction Podcast. Honest conversations on construction, engineering and building right.

    2h 18m
  3. India Made 87% of This Bridge's Steel — And Nobody Told You | The TISCROM Story TC156

    24 May

    India Made 87% of This Bridge's Steel — And Nobody Told You | The TISCROM Story TC156

    In 1936, when work on Howrah Bridge began, the plan was simple — all the steel would come from England. Then World War 2 happened. Britain's steel went into battleships and tanks. The bridge was left standing half-finished.That's when an Indian company did something that should have been written into history — but wasn't.Tata Steel developed a brand-new high-tensile alloy — TISCROM. Made in the blast furnaces of Jamshedpur, from Indian iron ore, by Indian workers. The backbone of Howrah Bridge — 87% of its steel — was Indian.No nuts. No bolts. Only rivets. Thousands of Indian workers hand-riveted every single joint — in the middle of a World War, under the threat of bombing. 83 years later, that bridge still carries over 1 lakh vehicles every single day.This is the story of Howrah Bridge — and more than that, it's the story of Jamsetji Tata's dream: that India would make its own steel.🎙️ The CODE — Episode 156Host: Rishabh AggarwalChapters:00:00 — India's most photographed structure02:00 — 80 years just to begin08:00 — TISCROM: Tata Steel enters the story18:00 — 83 years on — still standing24:00 — A lesson for your own workTell us in the comments — which joint in your own project is only "good enough" right now?

    15 min
  4. The Man Who Proved India Can Build On Time - E. Sreedharan | The CODE Story TC154

    22 May

    The Man Who Proved India Can Build On Time - E. Sreedharan | The CODE Story TC154

    Delhi Metro carries 6 million people every day. It was built on time, on budget, and finished 3 years ahead of schedule — in India. Most people don't know the name of the man who made that happen. This is Story 01 of The CODE, and it's about E. Sreedharan.The story doesn't start with the Metro. It starts in 1964, when a cyclone destroys the Pamban Bridge and Indian Railways estimates 6 months for repairs. Sreedharan — a 32-year-old junior engineer — does it in 46 days. That moment sets the template for everything: Konkan Railway next (760 km, 92 tunnels, declared impossible by the British, completed in 7 years), and then, in 1997, the Delhi Metro — handed to a 64-year-old who was about to retire.In this episode, host Rishabh Aggarwal tells the complete Sreedharan story — the operating system he built inside DMRC, his zero-tolerance approach to quality and corruption, why Delhi Metro was the only major infrastructure project to emerge from the 2010 Commonwealth Games scandal completely clean, and the moment at age 77 when he submitted his resignation after a site accident and said: "It happened on my watch. I take responsibility."Note: This episode is in Hinglish (Hindi + English). It's a story-driven format — slow burn, built for professionals and students in construction, engineering, and architecture who want more than facts. They want the full picture.📌 Subscribe to The CODE: https://www.youtube.com/@indiasno1constructionpodcast📸 Instagram: https://www.instagram.com/indiasno1constructionpodcastIf this episode moved you — share it with one engineer, contractor, or student who needs to hear it.#ESreedharan #DelhiMetro #MetroMan #TheCODE #constructionpodcast #civilengineering #indiaconstruction #indianinfrastructure

    15 min
  5. The Dirty Secret of Indian Architecture: Vendor Commissions Exposed | Arch. Tejbeer Singh EP 154

    16 May

    The Dirty Secret of Indian Architecture: Vendor Commissions Exposed | Arch. Tejbeer Singh EP 154

    Most Indian architects earn more from vendor kickbacks than design fees. Arch. Tejbeer Singh refused that model for 30 years. We asked him the uncomfortable questions about money, ethics, and survival in Indian architecture — the ones the industry doesn't want answered.

    45 min
  6. India's Earthquake Code Was FINALLY Fixed — Then the Government Took It Back | The CODE TC 153

    14 May

    India's Earthquake Code Was FINALLY Fixed — Then the Government Took It Back | The CODE TC 153

    India's seismic code — IS 1893 — has one job.Make sure buildings don't kill people in earthquakes.59% of India sits in moderate-to-severe seismic zones.Over a billion people live in areas designed against this one document.In December 2025, BIS published IS 1893:2025 — the biggest revision in 23 years. New zone map. PSHA-based science. Vs30 soil classification. A chapter for non-structural elements that kill people in moderate earthquakes.In early 2026 — the Government of India withdrew it.Reason: too expensive. Too rigorous. Ministries not consulted.This episode puts IS 1893 on trial — all revisions, 1962 to 2025.8 charges. Full defense. Cross-examination. Verdict.━━━━━━━━━━━━━━━━━━━━━━━WHAT WE COVER:00:00 Cold Open— The promise IS 1893 makes to 1 billion people[TIMESTAMPS — fill after edit]━━━━━━━━━━━━━━━━━━━━━━━THE 8 CHARGES:① Zone Map — 1984 ka map, 2024 tak laga raha② R Factor — India's most dangerous engineering assumption③ Soil Classification — 3 types for an entire subcontinent④ Non-Structural Elements — 12 lines for 60% of earthquake injuries⑤ Soft Storey — Identified. Never stopped.⑥ Performance-Based Design — Hospital aur warehouse ka ek hi goal?⑦ Liquefaction — One clause for the entire Ganga plain⑧ The Withdrawal — The biggest charge of all━━━━━━━━━━━━━━━━━━━━━━━REFERENCES & FURTHER READING:- IS 1893:2016 — Bureau of Indian Standards- IS 1893:2025 — Bureau of Indian Standards (Withdrawn)- IS 13920 — Ductile Detailing of RC Structures- IITK-GSDMA Guidelines for Seismic Design- NDMA Seismic Hazard Microzonation Reports- ASCE 7-22 — For comparison on R-factor verification- Eurocode 8 — For soft storey and soil classification comparison━━━━━━━━━━━━━━━━━━━━━━━The CODE is a show where India's structural engineering standards are put on trial — point by point, fact by fact, clause by clause.No opinions without citations.No drama without data.━━━━━━━━━━━━━━━━━━━━━━━🔔 Subscribe if you think engineering standards should be held to the same standard as the buildings they govern.#TheCODE #IS1893 #SeismicDesign #StructuralEngineering #BIS

    41 min
  7. EP 152: Indian Real Estate Is Not a Bubble. It's a Rigged Game. Here's the Math.

    9 May

    EP 152: Indian Real Estate Is Not a Bubble. It's a Rigged Game. Here's the Math.

    Q1 2026. 98,761 homes sold. First time below 1 lakh in 18 quarters. And in that same quarter — homes above ₹1 crore hit 53% of all sales. Historic high. Sub-₹50 lakh segment? Down 23% year-on-year. This is not a slowdown. This is a structural shift. And it's been happening quietly, by design. In EP 152, I break down the full math: → Mumbai's price-to-income ratio: 14.3x — worse than London (8x), New York (7x), Sydney (9x) → Why 52% of all new launches in 2026 are ₹1.5 crore and above → 6,01,210 unsold units across top 7 cities — yet prices are still rising. How? → Mumbai rental yield: ~3%. SBI FD rate: 6.40%. The math that should make you uncomfortable. → Hyderabad: 46% crash in new launches. Zero launches in March 2026. → PMAY-U 2.0's missing middle — why the ₹9 lakh income cap orphans an entire generation → The rent vs buy calculation for under-35, middle-income India. Numbers only. Indian real estate is not a bubble. Bubbles crash. This is a rigged game. It just quietly excludes you — every year, a little more. The open question: Should the government cap maximum profit margins on residential real estate? Yes or No — with your reasoning — in the comments. Sources: ANAROCK Q1 2026 | Knight Frank India 2025 | PropEquity March 2026 | NoBroker Q1 2026 Report | JLL India | Global Property Guide | Fincart Housing Affordability Report | Ministry of Housing & Urban Affairs | Demographia International 2024 | SBI April 2026 ────────────────────────── 🏗️ Buildt Store: TBA 🎓 The CODE Academy: TBA ──────────────────────────

    17 min
  8. In Germany, Engineers Go to Jail When Buildings Collapse. In India? Nothing Happens | The CODE TC151

    6 May

    In Germany, Engineers Go to Jail When Buildings Collapse. In India? Nothing Happens | The CODE TC151

    2021. Mumbai. 11 dead. 2022. Greater Noida. 2 dead. 2023. Lucknow. 5 dead. These were not natural disasters. These were engineered structures — designed, approved, and built by someone. In Germany, if a building fails, the structural engineer who signed off on it faces criminal charges, personal civil liability, and potential jail time. In Japan, buildings almost never collapse — because every stage of construction is inspected by an independent, government-licensed third party. In India? An FIR is filed. Bail is granted. The case drags on for years. Nothing changes. In this episode, I break down exactly why — and what we can do about it. What you'll learn: → Germany's Personal Liability Model — why engineers over-design on purpose → Japan's Inspection Culture — and what "Jinzai" craftsman pride means for quality → India's honest diagnosis — 4 root causes we keep avoiding → 3 concrete policy changes that can start fixing this today This isn't just criticism. This is a diagnosis — with a prescription. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎙️ The CODE — India's No.1 Construction Podcast Real conversations on Construction, Design & Engineering. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 👍 Like if this made you think differently 🔔 Subscribe — new episode every week on The CODE 💬 Comment: What do YOU think needs to change in India's construction industry? ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ #BuildingCollapse #ConstructionSafety #TheCODEPodcast #CivilEngineering #IndiaInfrastructure

    8 min
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🚀 Welcome to The CODE- India's No.1 Construction Podcast! 🚀 🌟 About Us: Exploring the intersection of construction, design, and engineering, we delve into captivating discussions, insights, and stories shaping our world. 💡 What We Offer: Insightful Interviews Thought-Provoking Discussions Inspirational Stories 🔍 Our Vision: Fostering collaboration, sparking dialogue, and inspiring the next generation of trailblazers in our industry. 🎧 How to Connect: Tune in for episodes filled with valuable insights. Subscribe and join the conversation! ✨ Welcome to The CODE Podcast! ✨

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