The RFIs are for: *Design development and supply of HF SYSTEM for Indian Multi Role Helicopter IMRH/ Deck based Multi Role Helicopter DBMRH* Chemical Sensor for IMRH* Design development and supply of Winchman Ministick/ Autohover Cabin Stick for IMRH / DBMRH.* Design development and supply of Weather Radar for IMRH/DBMRH* Nuclear Sensor of IMRH* Design development and supply of Batteries for IMRH/DBMRH.* Design development and supply of Biological Sensor for Indian Multi Role Helicopter IMRH* Electronic Support Measure ESM/Electronic Intelligence ELINT for DBMRH* CMDS of IMRH and DBMRH