Hey 

Probably the admissions based on mains results will soon start . You can expect it from  June end or in July .

Thanks

Hello Anshuman, as you might be knowing all IITs, NITs, GFTIs, IIITs etc go through a common admission process known as JoSAA. It will start within a week after the declaration of JEE(A) results. Keep checking the details on www.josaa.nic.in