The former finance minister, who spent 106 days in jail, however, did not explicitly mention the case against him. "I am not going talk about the case. Why I was imprisoned? They thought of wrecking my mental strength and it will not happen any day," Mr Chidambaram said.
"I will never fall as the Congress party and the people's thirst for freedom are behind me. It is going to be a continuous fight," he told reporters in Chennai.