After falling 4.57 per cent to Rs 320.25 in intra-day trade on the BSE, shares of REC finally ended at Rs 321.65, down 4.16 per cent.
On the NSE, it fell by 4.61 per cent to close at Rs 320.60.
In terms of volume, 8.79 lakh shares of the company changed hands at the BSE and over 57 lakh shares were traded at the NSE during the day.
Taking the offer for sale (OFS) route, government will sell over 4.93 crore REC shares.
"The offer shall take place during trading hours on a separate window of the stock exchanges and shall commence on April 8," REC had said in a filing to the BSE yesterday.
The 5 per cent share sale would fetch about Rs 1,600 crore to the exchequer.