Legally, no. But many universities have a relaxed attitude for educational use. However, you risk downloading malware. Instead, ask your college library for a licensed copy.
While it is fine to download this PDF for study or analysis of old buildings, you must not use it for designing a new structure. is 456 code 1978 free download pdf new
The Bureau of Indian Standards (BIS) revised the code to IS 456:2000 for critical reasons: Legally, no
Warning: If a structural engineer submits a design based on the 1978 code today, it will be rejected by municipal authorities for building plan approval, and it may lead to legal liabilities. Warning: If a structural engineer submits a design
IS 456:2023 (published November 2023) is the current valid version. IS 456:2000 is withdrawn as of 2024.