Ludhiana, May 2 -- Following repeated faults in the underground transmission network that caused prolonged breakdowns during previous summers, the Punjab State Power Corporation Limited (PSPCL) has replaced its old 66kV cable link to the PAU and Sarabha Nagar substations with a new Rs.3.11-crore overhead transmission line aimed at improving power reliability ahead of peak summer demand.

According to officials, earlier, electricity was supplied to the PAU and Sarabha Nagar substations through underground 66kV cables from the 220kV Ferozepur Road substation.

They said the ageing underground stretch had become highly fault-prone, with technical teams often taking two to three days to trace and rectify breakdowns during periods of high dema...