After joining the Congress party, Moitra quickly realised that the grand old party had very little ground-level presence and could never rise to power in West Bengal. Hence, in 2010, she ditched the Congress to join TMC
"I ran in the open field, and I was very close to some girl. When I passed her, I heard that she fell on the ground. I looked back and I saw that she got shot in the head. I looked at the girl, but I couldn’t help her so I kept running away until I got to the bush,” he recalled.