Tender for Narwana-Kurushetra provision of Roof covering shed and improvement of drainage arrangement at LHS 5, 6, 8, 21, 22, & 24 on NK section under ADEN/KUN and provision of drainage arrangement of LHS at various L-xing to prevent L-xing water logging on DLI-UMB & NRW-KKDE section under Aden/KUN