1. Repairing of Electrical Accessories at Prof Shanku Park, Action area II, Newtown, Kolkata, Under NKDA. 2. Annual Maintenace of Electrical illumination System for 8no's Activity Zone at Action area I, Newtown, Kolkata, Under NKDA. For 1(One) Year. 3. Annual Maintenance of Bio Electricity Distribution & Consumption and Internal illumination & ventilation work system of Bio Methane Plant at AA-IC of Newtown, Kolkata, under NKDA, for the period of 366days