IST to be mandatory time reference, govt asks banks, Sebi to discontinue using other systems | India News – Times of India 2 min read Top Stories IST to be mandatory time reference, govt asks banks, Sebi to discontinue using other systems | India News – Times of India IndiaNews12 June 18, 2025 NEW DELHI: Ahead of making the use of Indian Standard Time (IST) as the mandatory time reference... Read More Read more about IST to be mandatory time reference, govt asks banks, Sebi to discontinue using other systems | India News – Times of India