Tender For corrigendum : supply of pvc insulated (heavy duty) electric cables (v2) as per is 1554 (part 1) , xlpe cables, categpory c1 - fr, for working voltages from 3.3 kv up to and including 33 kv as per is 7098 (part 2) , 3.3kv 3 core 120sqmm copper cable , 3.3kv 3 core 70sqmm copper cable