repair maintenance of electro and mechanical services at delhi vidhan sabha , old sectt . , delhi . ( sh- operation of pa system committee room no . 1 , 2 and mla lounge ) ( sh- annual comprehensive maintenance of pa system committee room no . 1 , mla lounge no . 2 and dip ) , providing services for operation & routine maintenance i/c servicing , checking , repairing of bosch make pa system/ conference system complete with all accessories & equipment like:- power amplifiers , power supply unit chairman unit delegate unit , micro phones , speaker system & associated wiring/ circuits , installed in various committee rooms/ mla lounge 1 & 2 in delhi vidhan sabha etc , as reqd . ( 10 am to 6 pm ( terms & conditions attached ) . , providing extra service for operation of bosch conference system by deploying 1 extra person of experienced engineer ( electronic ) in various committee rooms/ mla lounge 1 & 2 as during session period at delhi vidhan sabha . , annual comprehensive maint . contract for conference systems installed at dip , old sectt . , delhi as per equipment details . , annual comprehensive maint . contract for pa system installed at cm committee room at delhi vidhan sabha as per equipment details . , annual comprehensive maint . contract for conference system installed at mla lounge 2 at delhi vidhan sabha as per equipment details .