Dear Rakhi,

There are no such good colleges in Dehradun that offers BCA MCA as dual degree course.

Well, some other colleges in India apart from Dehradun that offers BCA MCA degree are as follows :

• NIMS University, Jaipur
• Pacific Institute of Computer Application, Udaipur
• Pratap University, Jaipur
• Sri Guru Harkrishan College of Management and Technology, Bahadurgarh
• Annex College Center for Technical and Management Studies, Salt Lake City

To know more about the colleges , refer this :

https://it.careers360.com/colleges/list-of-bca-mca-colleges-in-india?degree=BCA%20MCA

To know more about the BCA  colleges available in Dehradun , refer this :

https://it.careers360.com/colleges/list-of-bca-mca-colleges-in-india?city=Dehradun&degree=B.C.A.,Dual%20Degree

Hope this helps !