The spectacle carving was damaged and a garland on the statue was lying nearby, an official said, giving details of the vandalisation, the latest in a series of similar incidents being reported from various parts of the country.
The Gandhi statue was close to the Taliparamba Taluk office, the official said, adding that a probe was on to identify those behind the incident.
A CCTV visual showed the suspected man behind the incident walking away from the site.
Some locals on the spot were reported as saying that they saw a man hurling a stone at the statue before fleeing the spot.
Yesterday, abust of Jana Sangh founder Syama Prasad Mookerjee was vandalised in Kolkata. The day before, a statue of Dalit icon B R Ambedkar was damaged in Meerut. The incidents came close on the heels of Communist leader Lenin's statues being damaged in Tripura and Dravidan movement founder E V Ramasamy Periyar's bust being desecrated in Vellore, Tamil Nadu.