21 taken in custody for attack on Chandy

Chandy was airlifted from Kozhikode last night and admitted to the Medical College Hospital in the state capital past midnight.

"This sort of action by a political party is not good for the smooth functioning of democracy," Chandy told reporters after arriving at the airport.

The National Students Union of India, affiliated to the Congress party, has called for a state-wide protest and most educational institutions in the state will remain closed.