Mamata Banerjee urges Trinamool supporters to join July 21 Martyrs' Day rally amid competing events in Kolkata.

Calcutta High Court to hear TMC's petition for July 21 rally permission on July 15 amidst police prohibitory orders.

West Bengal Congress president Subhankar Sarkar on Tuesday invited TMC chief Mamata Banerjee to the partys July 21 Martyrs Day programme, while asking her to admit that leaving…