The Monday session low of 11,592 is the key support level and if Nifty fails to hold this support level, it will fill the gap of May 20. On the higher side now, the zone of 11,820-11,850 is likely to act as a critical resistance for further upmove. Stocks in news: Infosys, MOIL, CIPLA, Greaves Cotton, Reliance Nippon Life Asset Management, Radico Khaitan, Om Metal Infraprojects, Zensar Technologies.