Construction upgradation of nh 131a from 34.600 design ch 6.000 narenpur 79.970 design ch53.000 purnea to 4 lane standard and from km 79.970 design 53.000 to km 82.000 design ch 55.000 near to 2 lane with ps standard in bihar on ham
Construction upgradation of nh 131a from 34.600 design ch 6.000 narenpur 79.970 design ch53.000 purnea to 4 lane standard and from km 79.970 design 53.000 to km 82.000 design ch 55.000 near to 2 lane with ps standard in bihar on ham
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