annual repair and maintenance of various electrical installations and mechanical equipments at ncc bhawan, sector - 19, rohini, delhi. 2. annual repair and maintenance of of various e & m services in gnd college dseu sector-15 rohini, delhi 3. annual repair and maintenance of ei & fans, pumpset, dg set, street light in division office and circle office under isbt flyover, kashmere gate, delhi4. annual repair and maintenance of various electrical installations and mechanical equipments at forensic science laboratory, sector - 14, rohini, delhi.5. annual repair and maintenance of various electrical and mechanical services at nav kiran, sector - 19, rohini, delhi. 6) annual repair and maintenance of various electrical installation and mechanical equipments at fire safety management academy, rohini, delhi. (sh : comprehensive maintenance of kirloskar makedg set and diesel engine)