While the Raj Rajeswari hall in Kurseong area was reduced to ashes after the blaze late last night, the Trinamool Congress party office in Darjeeling town was also gutted after it was set on fire today.
"No one was injured but both the hall and party office were reduced to ashes. We are trying to identify the culprits," an official said.
Political party activists, dressed in traditional Nepali attire, took out rallies in the morning. They were heard raising slogans in support of a separate Gorkhaland state.
Police and security forces patrolled the streets and kept a tight vigil on entry and exit routes.
Internet services remained suspended in the hills.
Except pharmacies, all the other shops, restaurants,, hotels, schools and colleges were also closed.
Disclaimer: No Business Standard Journalist was involved in creation of this content