Normally domestic season starts in August but the pandemic has wreaked havoc with the calendar and Sourav Ganguly's letter to state associations on Thursday made it clear that the Board is yet to lock in a date. The domestic season is now expected to begin with the Syed Mushtaq Ali T20 tournament, tentatively from the third week of November.

from Times of India https://timesofindia.indiatimes.com/sports/cricket/news/domestic-cricket-will-start-as-and-when-conditions-permit-sourav-ganguly-to-bcci-state-units/articleshow/77688890.cms