Bandh supporters obstructed trains at various stations of Eastern railway's Howrah and Sealdah divisions, besides Malda and Asansol divisions, leading to the cancellation of 12 trains.

South Eastern railway also cancelled a few trains.

However, Metro Railway in Kolkata ran uninterrupted services.

Those who ventured out had a trying time as buses and taxis were few. Shops and markets were also closed in many areas.

Airport sources said flights were normal at the N S C Bose International Airport.

The Trinamool Congress took out a procession in the metropolis led by party chief Mamata Banerjee.

IGP (Law and Order) Raj Kanojia said the situation was peaceful.

A report from Sliguri said normal life was hit in six North Bengal districts with shops, business establishments, educational institutions, and banks remaining closed and traffic off the streets.

Besides the Trinamool Congress, the Socialist Unity Centre of India (SUCI) and BJP have called for a 12-hour bandh today.