The byelections are of critical importance to Chief Minister Mamata Banerjee, who lost the assembly poll to Bharatiya Janata Party's Suvendu Adhikari in Nandigram.
The party brought back Yashwant Sinha as its national vice-president.
In Rajya Sabha, the Opposition and the government clashed over technicalities of the passage of an anti-graft amendment bill with the latter insisting that it should be adopted without debate.
As Soumitra Chatterjee turns 80 on January 19, we look back at his best movies.