IS 1489 (Part 1) 2015 is an Indian Standard for Fly Ash Based Portland Pozzolana Cement.
Download IS 1489 (Part 1) 2015 here
Read Also-
Download National Building Code Volume 1 & Volume 2 here
IS 456 2000 Plain And Reinforced Concrete-Code of Practice (pdf)
SP 16 [PDF] (Design Aid for IS 456) Download
IS 383 : 2016 Code For Aggregates For Concrete[PDF Download]