BENGALURU, Feb 29 (Reuters) - Indian shares slipped marginally on Thursday, tracking Asian peers as investors brace for key U.S. and domestic economic data.

The blue-chip index NSE Nifty 50 was down 0.07% at 21,935.20, while the BSE Sensex shed 0.12% to 72,220.57, as of 09:15 a.m. IST.

(Reporting by Bharath Rajeswaran in Bengaluru; Editing by Varun H K)