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India's Premier
Civil Engineering
Knowledge Hub

Deep-dive articles on IS codes, step-by-step engineering tutorials, professional-grade calculators, free study material, and AE/JE exam prep — all crafted by a Chartered Engineer with 11+ years of government project experience.

106+ Articles
3+ Tools
11+ Years Experience
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Across the Globe

Civil engineers, students, and government job aspirants from India and 40+ countries rely on Bastukar for accurate, IS code-compliant technical content every day.

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Expert Civil Engineering
Technical Articles

IS code-compliant, research-backed articles on every branch of civil engineering — from concrete technology to transportation engineering.

Professional Engineering
Calculators & Tools

IS code-compliant engineering calculators built for practising engineers, students, and AE/JE exam candidates. No registration required.

Concrete Mix Design Calculator

Design concrete mixes step-by-step as per IS 10262:2019. Calculates water-cement ratio, aggregate proportions, and mix quantities for any target strength from M15 to M60.

  • IS 10262:2019 compliant procedure
  • Supports M15 to M60 grade concrete
  • Batch weight calculation per m³
  • Downloadable design report (PDF)
Open Calculator →

Solar Power Plant Calculator

Design and size a solar photovoltaic power plant for residential, commercial, or industrial applications. Calculates panel count, inverter size, battery bank, and annual energy yield.

  • Load-based panel sizing
  • Battery backup duration calculation
  • ROI and payback period analysis
  • Grid-tied and off-grid modes
Open Calculator →

Pavement Design Calculator

Design flexible and rigid pavements as per IRC:37 and IRC:58. Calculates total pavement thickness, layer composition, and CBR-based design for NH/SH/MDR/ODR roads.

  • IRC:37 flexible pavement design
  • IRC:58 rigid pavement design
  • Traffic growth & MSA calculation
  • Layer thickness recommendation
Open Calculator →
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Learn Civil Engineering
Visually on YouTube

Subscribe to @bastukar for video tutorials on IS code-based design, real government project insights, AE/JE exam strategy, and civil engineering career guidance — all in Hindi and English.

IS code design tutorials with solved examples
Real site visit and construction videos
AE/JE exam strategy & previous year solutions
Career guidance for civil engineers in India

@bastukar

by Er. Ranadip Chakraborty

Meet the Expert Behind Bastukar

Er. Ranadip Chakraborty — Founder of Bastukar, Chartered Engineer India

Er. Ranadip Chakraborty

Founder, Bastukar • Chartered Engineer (India) • Government Civil Engineer

With over 11 years of hands-on experience in government civil engineering projects — from road construction and bridge design to water supply infrastructure — Er. Ranadip Chakraborty founded Bastukar to bridge the gap between textbook theory and real-world civil engineering practice in India. His content is grounded in IS codes, IRC standards, and field experience.

  • Chartered Engineer — The Institution of Engineers (India)
  • AMIE — Associate Member, Institution of Engineers India
  • MBA — Data Science & Business Analytics
  • 11+ Years Government Civil Engineering Experience
  • Founder — ScoreCardAI.in — Civil AE/JE Mock Test Platform

Free Study Material &
IS Code References

Download free civil engineering study notes, IS code summaries, formula sheets, and design charts — curated by Er. Ranadip Chakraborty for quick reference in the field and exam prep.

IS Code Quick Reference Sheet

All important IS codes for civil engineering — IS 456, IS 800, IS 1343, IS 875, IS 1893 — with scope and key clauses summarised on one sheet.

PDF • 2.4 MB • Free

Concrete Mix Design Formula Sheet

Complete formula sheet for concrete mix design as per IS 10262:2019 — target strength, standard deviation, water-cement ratio, and aggregate proportion equations.

PDF • 1.1 MB • Free

WBPSC JE Civil Syllabus & Strategy

Complete WBPSC Junior Engineer (Civil) exam syllabus with topic-wise weightage analysis, recommended books, and a proven 90-day study plan from a civil engineer who cleared it.

PDF • 890 KB • Free