bids are invited for custom bid for services - operation and maintenance activities of communication network at taps 34 plant site and township , custom bid for services - performance of operation of telephone exchange and maintenance activities related to communication systems at taps 34 plant site and township by deploying skilled technicians telephone operators fax operator in round the c.. , custom bid for services - assistance for all type of communication related maintenance activities at taps 34 plant site and township any other work related to communication systems assigned by enc , custom bid for services - emergencycontingency hours task performed beyond prescribed working hours and on holidayweekly off for operation and maintenance activities of communication network at tms site for highly skilled workman , custom bid for services - emergencycontingency task task performed beyond prescribed working hours and on holidayweekly off of epabx exchange at tms site by deploying skilled technicians telephone operators fax operator in round the clockgeneral sh.. , custom bid for services - emergencycontingency task task performed beyond prescribed working hours and on holidayweekly off for assistance to communication related emergency maintenance activities at tms site any other work related to communication