Following the news, selling pressure engulfed the stock which plunged 5.89 per cent to settle at Rs 6.39 on BSE. During the day, it plummeted 11.48 per cent to Rs 6.01.
On NSE, it dived 5.18 per cent to close at Rs 6.40.
On the volume front, 7.72 lakh shares of the company changed hands on BSE; over 60 lakh shares were traded at NSE during the day.
The flyover collapsed today in busy north Kolkata, leaving scores of others trapped under the debris.
BSE has sought clarification from IVRCL on the incident.
