No, Indian Institute of Technologies conduct two papers to fill their seats for their flagship undergraduate programmes. The two examination are:

JEE Advanced Paper 1: This is for admission into the 4 year Bachelor of Technology course in all the 23 IITs.

JEE Advanced Paper 2: This is for admission into the B.Arch programme in some of the IITs like Roorkee, Kharagpur etc.

The papers are not same and you can give B.Arch paper only if you qualify the Paper 1. So, all the best for the same!