The BSE index is down 0.11 percent and the 50-share NSE Index falls 0.12 percent to 6,075 after briefly breaching the psychological 6,100 mark for the first time since January 2011.
Technology shares led the decliners on profit-taking after a rally this month on the back of better-than-expected earnings.
Infosys shares were down 0.4 percent after rising 20.60 percent this month, as of Monday's close.
Cairn India shares fall 1.4 percent, after management issues guidance for a slower ramp-up in production from the Rajasthan block.
However, Pantaloon Retail Ltd gains 11.65 percent after RBI eased restrictions on the purchase of shares in the company by foreign institutional investors and non-resident Indians as well as persons of Indian origin.