NHAI Jobs Recruitment 2020 48 Posts. National Highways Authority of India (NHAI) invites applications for the 48 posts of Deputy Manager (Technical) in the Level 10 of Pay Matrix of 7th CPC (Pre-revised: Pay Band-3 [(Rs.15,600-39,100/-) + Grade Pay of Rs.5400/-)] with Central DA on Direct recruitment basis through GATE 2020 scores in the discipline