The stock dropped 4.98 per cent to close at Rs 961.55 on BSE. Intra-day, the scrip had hit a low of Rs 935, down 7.6 per cent.
On NSE, the stock slumped 5 per cent to close the counter at Rs 961.9. During the trading session, the scrip had touched a low of Rs 934.45 and a high of Rs 1,000.
A total of over 1.10 crore scrips were traded during the day on the stock exchanges.
The deal is subject to "completion of applicable regulatory reviews" and is slated to close by mid-2019.
The deal entails seven products in areas including security, marketing and collaboration solutions, and represents a total addressable market of more than USD 50 billion, the firm said in the filing.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)