Sangh organisations have accused CPI(M) of burning the RSS office in the wee hours today.
CPI(M), however, rejected the charges, saying the party has no role in it.
The left party also alleged that the RSS was deliberately trying to create trouble in the area.
A case has been registered on the basis of the complaint by the RSS activists, police said.
An investigation has been launched into the incident.
Security has been tightened in the area following the incident, they said.
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