Hello Avinash

Yes this type of courses is called DUAL DEGREE courses ( B.Tech + M.Tech) and this courses are available in many colleges.

such as in many IIT's -->

• IIT Roorkee
  

• B.Tech. (Chemical Engineering) and M.Tech. (Hydrocarbon Engineering)
• B.Tech. (Electrical Engineering) and M.Tech. (Power Electronics)
• B.Tech. (Electronics & Communication Engineering) and M.Tech. (Wireless Communication)
• B.Tech. (Process Engineering) and M.B.A.
• B.Tech. (Metallurgical & Materials Engineering) and M.Tech (Materials engineering)
• B.Tech. (Civil Engineering) and M.Tec. (Structural Engineering)

please visit our website to know about all the colleges -->

https://engineering.careers360.com/colleges/list-of-dual-degree-engineering-colleges-in-india

I hope you get my point.

Good Luck!!!