IIT MANDI is a Government Institute of National Importance. It is UGC approved institute and comes under the category of new IIT's.

The institute don't offers the course of BTech in Software Engineering, but if you wish to be a software engineer after studying from IIT MANDI, then you need to do the course of B.Tech Computer Science and Engineering . Most of the software engineers in India are from the CSE branch and this is the course which is studied for being a software engineer.

The admission to the course of BTech CSE is provided on the basis of JEE Advanced .

For more information regarding IIT MANDI consider the link below:

https://www.careers360.com/university/indian-institute-of-technology-mandi

I hope this helps. Goodnight!