Website - Bhuvan Ministry of Road Transport and Highways
National Highways Authority of India
Website URL - https://bhuvan-app1.nrsc.gov.in/toll/morth_nhai.php
Website Content Details - 
This Bhuvan Website has all the information required about Indian Highways 
you can use filters to find projects you would like , filters are
BOT (Build Operate Transfer)
Public Funded
Special Purpose Vehicle
OMT (Operation Maintainace Transfer)
Bridges 
or users can directly find a plaza using toll number