Its task was later expanded to construct and maintain roads in Arunachal Pradesh and adjoining districts of Assam.

[8] Over the years, Vartak has become a major candidate for infrastructure development in western Arunachal Pradesh.

[10] It has constructed major bridges and roads connecting the far-flung border areas of Arunachal Pradesh.

Construction of residential accommodation, development of internal roads in Tezpur University, construction of the Degree & Diploma Academic blocks, and residential accommodation for the North Eastern Regional Institute of Science and Technology(NERIST), Itanagar and the construction of residential school with boy's and girl's hostel for Jawahar Navodaya Vidyalaya at Gorponding in Tawang, as part of the Rural Education Development Programme are the major works.

Deposit works[17] from various agencies like North East Council (NEC),[18] North Eastern Electrical Power Corporation (NEEPCO) and Oil India were undertaken by this Project[19] The headquarters of Vartak in Tezpur also hosts a primary school within it offering primary education for the children of the personnels as well as civilians.

[20] Vartak specializes in constructing motorable roads and bridges in mountainous regions bringing connectivity to many isolated towns in Western Arunachal Pradesh.

1441 BCC continues to construct high-quality permanent bridges, even at altitudes of over 10,000 feet and across swift mountain rivers in Arunachal Pradesh and Assam.