Kolkata: In a major boost for the ruling Trinamool Congress in West Bengal, the party on Thursday bagged all the three assembly seats where bypolls were held on November 25 by trouncing the BJP."

The TMC won the Kaliaganj, Kharagpur Sadar and Karimpur bypolls. The BJP emerged in the second position in all the three seats. Tapan Deb Sinha of TMC won the Kaliaganj seat in a close contest, defeating his nearest BJP rival Kamal Chandra Sarkar by 2,418 votes, EC officials said.