Tripura Chief Minister Manik Sarkar left for Kolkata on Tuesday to campaign for the CPI-M in the West Bengal assembly elections.
"Sarkar will address several election rallies in North 24 Parganas and Hooghly districts" over three days starting on Tuesday, a Communist Party of India-Marxist (CPI-M) leader told IANS.
Sarkar, who campaigned for the Left parties in Assam too, would later campaign in Kerala and Tamil Nadu.
The 68-year-old has been the Tripura chief minister for over 18 years.