The stock dipped 4 per cent to Rs 322 on the BSE.
At the NSE, it was down 4.19 per cent at Rs 322.
Government will sell 5 per cent stake in Rural Electrification Corporation on April 8 to mop up close to Rs 1,600 crore, marking the first disinvestment of the current fiscal.
Taking the offer for sale (OFS) route, government will sell over 4.93 crore REC shares.
The 5 per cent share sale would fetch about Rs 1,600 crore to the exchequer.