The Sensex fell on Thursday, provisionally marking its biggest fall since June 1, after Infosys' much lower-than-expected revenue forecast sparked a sell-off of software services exporters.
Infosys shares fell 8.5 percent, while Tata Consultancy services
The Sensex fell 1.55 percent to 17,218.47 points. The Nifty lost 1.34 percent to end at 5,235.25 points.
