The market will be looking forward to the release of industrial production, retail and wholesale inflation figures this week.
The Indian economy expanded 5 per cent in April-June, its slowest annual pace since 2013.
Govt slams rater, says growth rate stays unchanged.
Asian stocks stumbled after the data, reversing gains made on the UK and European Union striking a long-awaited Brexit deal.
Analysts increased earnings estimates for both the indices by as much as 10 per cent to factor in the lower tax burden.
Government slashed the income tax rate for companies by almost 10 percentage points to 25.17 per cent.
This data comes at a time when the economic growth has plunged to a six-year low, at 5 per cent for the June quarter.
The Nifty has a made a hammer for the last two weeks, indicating a refusal to go down further: Jimeet Modi.
The officials asked not to be identified. A Finance Ministry spokesman did not immediately respond to requests for comment.
Mergers will reduce the number of state-owned banks to 12 from 27.