Kolkata, Nov 7 (UNI) Former West Bengal chief minister and Trinamool Congress chairperson Mamata Banerjee on Saturday demanded the resignation of Kolkata Police Commissioner Ajay Nanda, accusing the police of obstructing party workers and failing to maintain law and order outside the residence of party general secretary and Diamond Harbour MP Abhishek Banerjee at Kalighat. Warning of legal action if they were not allowed to carry out their activities, she also launched a scathing attack on the officer-in-charge of Kalighat police station. The fresh tension erupted outside Abhishek's residence at Patuapara on Saturday afternoon, a day after clashes between Trinamool…
