On Tuesday later, FMGC major Hindustan Unilever, Larsen iamp; Toubro, Zee Entertainment are scheduled to announce their corporate earnings.
At 9.48 a.m.,the Sensex fell 20.60 points lower at 38,010.53 from its Monday's close of 38,031.13.
The Nifty traded 7.30 points lower at 11,338.90
Globally, Deepak Jasani of HDFC Securities said that expectations of policy easing by major central banks such as the Federal Reserve propped up global stocks on Tuesday.
Asian stocks, Jasani added opened modestly higher as investors braced for a busy week of US corporate earnings and potential developments in trade negotiations.