Hello aspirant,

Let me take you through this. You are clear that you want to study mechanical engineering or cse or ee. Now to select the appropriate college, you need to get the understanding of the reputation of college, its rank (NIRF provided rank). So I'd suggest you follow this order.

Top NITs Mechanical>Top NITs ECE/EE>Top IIITs ECE>GFTI CSE> Lower NITs/Lower IIITS