Reuters Market Eye - The Sensex falls 0.25 percent, while the Nifty loses 0.23 percent. Asian shares ease as markets consolidate gains from a three-day rally after European Union leaders took a big step towards deeper integration with a deal to set up a single banking supervisor.
A sudden fall in the rupee to its weakest against the dollar since September 21 also worries investors.
Tata Consultancy Services falls 0.5 percent ahead of July-September earnings later in the day.
However, cigarette maker ITC gains 0.2 percent ahead of earnings, also on Friday.