Markets may consolidate in expiry week Updated : December 22, 2019 02:13 PM IST Sebi is mandating an upfront margin for retail investors with effect from 1st January 2020 for retail investors. In light of what has happened in Karvy and a Kolkata-based broker in recent times, investors are wary of now giving power of attorney to brokers. Published : December 22, 2019 02:13 PM IST