imris has been trading on otc pink for a while already here is definition of 25-nse form that was filed yesterday " Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities " and here is form 25 " Notification filed by issuer to voluntarily withdraw a class of securities from listing and registration on a national securities exchange " it appears that yesterday filing means removal from all exchanges (matured , redeemed , retired) filed by nse it appears that imrsq will stop trading soon , most likely retired in my opinion gl mod