In the long-term rating, the company's outlook was upgraded to 'Positive' from 'Stable'. While rating was reaffirmed at "CRISIL A".
However, for the short-term, Crisil reaffirmed its rating at 'CRISIL A2+'.
At around 3.25 PM, the company's stock was trading at Rs789 per piece down by Rs17.20 or 2.13% on Sensex.
The stock has touched an intraday high and low of Rs824.90 per piece and Rs706.10 per piece respectively.