The stock advanced 19.96 per cent to settle at Rs 28.85, its upper circuit limit, on BSE.
On NSE, it surged 19.95 per cent to close at Rs 28.85.
The company, however, did not give any financial details of the deal.
"The board of directors of the company at its meeting held on March 28, 2016, had decided to sell its investment in the wholly-owned subsidiary, Simpark Infrastructure... Accordingly, 16,31,400 shares (51.21 per cent) have been sold," the company had said in a BSE filing yesterday.