Tender For corrigendum : execution of balance works of (i) providing of new abt energy metering arrangement at 132/25kv dornakal railway traction substation in mahabubabad district (ii) providing of new abt meters in 132/25kv nekkonda railway traction sub-station (iii) providing of new abt meters in 132/25kv ghanpur railway traction sub-station (iv) providing of new abt energy meters to 132kv railway feeder at 132/25kv traction substation kazipet emanating from 132/33kv ss waddepally in warangal (d)