Overview
- Services will run across the Blue, Green, Yellow and Purple corridors from September 27 to October 2, with the Orange Line suspended during the period.
- Overnight operations are slated for Saptami to Navami, with the Blue Line running 1 pm to 4 am and the Green Line 1:30 pm to 4:18 am, marking the first night-long run on the Green corridor.
- On the Blue Line, 262 trains will run on Panchami and 246 on Sasthi, with peak frequencies of 6–7 minutes; Dashami will feature 132 services from 1 pm to 10 pm at 8-minute intervals.
- On the Green Line, 225 services will operate on Panchami and 184 on Sasthi, while Dashami will have 74 services from 1:30 pm to 10:32 pm at 15-minute intervals.
- Yellow Line trains will run from mid-afternoon into late evening with 60–62 services on peak Puja days at 15-minute intervals, while the Purple Line will offer 38 daily services from 3 pm to 10:55 pm at 25-minute intervals, with officials urging use of Smart Cards, Tourist Cards and the Aamar Kolkata Metro app for faster ticketing.