The IT firm's scrip ended the day 19.99 per cent higher at Rs 183.35 -- its upper circuit limit at the BSE.
On the NSE, the stock surged 20 per cent to touch its upper trading limit at Rs 183.90.
In the previous session, the stock had rallied 15 per cent.
After demerger and regulatory approvals, the product entity will be called 'Intellect Design Arena Ltd', Polaris had said in a statement yesterday.
"Polaris Financial Technology Ltd will continue to run the services business with a strong vertical and solution focus," it said.