Senior Congress leader and former Kerala Minister CN Balakrishnan died at a private hospital in Kochi on Monday night. He was 87.

According to sources, he died due to pneumonia.

Balakrishnan, a long standing aide of former Kerala chief minister K Karunakaran, had been the president of Thrissur District Congress Committee for 17 years. He had also been the treasurer of the state unit for a long time.

Balakrishnan entered electoral politics only in 2011 and became the cooperation minister in the Oommen Chandy cabinet.

He is survived by his wife and two daughters.