RMO sound equipment and Video projection system at Vigyan Bhawan, New Delhi ( SH ( 1 ) Operation of BOSCH make digital SRE/ Conference system Plenary Hall and Operation and Preventive maintenance of DIS make Digital Sound & Conferencing system Hall No. 4and5 and SH ( 2 ) Operation of Video in Various Hall at VB and VBA Projection system ic Video Display Wall System )