Some universities that offer part time Btech in Rajasthan are-

1)Mewar University , Rajasthan

2)IIMT Studies- International Institute of Management and Technical Studies, Jaipur

3)NIMT Global Institute Of Management & Technology ( NIMT) , Jaipur

4)Valam Polytechnic ( VP) , Dungarpur

5)JK Lakshmipat University, Jaipur

You can also visit the official links of these colleges to know extra details about the part time courses.