Dr. Gaurav Jangra is an eminent professor of commerce and management, also writer and expert of UGC NET Commerce and Management
actually they belong to Superior Brahmin caste similar in north india. They also known ans Khati/jangir/jangra and they are one of the most inteligent and hard working people. but there are people lives in Uthrakhand and Himachal pradesh are rajput khati/jangra. They used their surname as Sharma.
"UGC NET/JRF/SLET General Paper-1 Teaching & Research Aptitude" by Dr. Gaurav Jangra and Monika Jangra available www (dot)easynotes4u(dot)com
Of-course both are same & originated from Vishwakarma Ji & by work are carpenter. Other same surnames name differently area wise are as below:Suthar-Rajasthan/Haryana/Gujarat/PakistanSutar-MaharashtraKhati - Rajasthan/HaryanaRamgarhia- PunjabTarkhan-PunjabDhiman- Haryana/PunjabJangra/Jangid-Haryana/Punjab/RajasthanBadai/Baddi-HaryanaMaharana-OdishaKadia-GujaratMistry-Saurashtra/Gujarat/Maharashtra/Madhya PradeshSharma-Uttar Pradesh/BiharVishwakarma-Uttar Pradesh/Bihar.