"He asked me to take appropriate action to stop recurrence of such undesirable incidents which affects academic atmosphere in the university," Das who was called by Narayanan, who is the chancellor, said.
Das said that Narayanan was worried by the incident which he condemned as unfortunate and sought details.
Chattopadhyay, Government Chief Whip in the state Assembly, was assaulted allegedly by members of his party's trade union wing when he went to meet the pro vice-chancellor.
The vice-chancellor has formed a probe committee which is to submit its report shortly.
Chattopadhyay who was upset that party chief Mamata Banerjee has not condemned the incident had tried to meet her in the last few days.
