India, April 30 -- High drama ensued in Kolkata on Thursday, a day after the polling concluded in Bengal assembly polls, after the Trinamool Congress claimed that the BJP and the Election Commission were attempting to open postal ballots in the absence of party representatives.

Soon after, TMC leaders Shashi Panja and Kunal Ghosh reached the site in Kolkata and held a sit-in protest outside the strongroom where the ballots were stored. Chief minister Mamata Banerjee was also expected to join the protest.

The allegations came even as a majority of pollsters predicted the BJP winning the assembly elections, barring a few giving a fourth term to Mamata.

Here is a blow by blow account of what unfolded on Thursday evening:

TMC 'ballot tamp...