Hey Shiv shukla,

As you’ve secured rank around 21,000 For the rank you have scored you have many probabilties to get admission at VIT University, Vellore and for this rank you can get Mechanical Engineering (specialisation in Automotive Engineering)  at VIT University, Vellore.The VIT University Vellore is the no.1 pivate university in India for Engineering. It is ranked at 13 by NIRF MHRD Government of India. The tution fee at 1,98,000/- per year. The faculty are well educated and most of them are doctorates. The lab facilites and the infrastructure are also great at the VIT University, Vellore campus. The hostel facility is provided with in the university surroundings. The hostel facility is provided to both boys and girls. The hostel fee is 72,300/- per year. The placement pay packages ranges from 5 lakhs per annum to 39 lakhs per annum. The top companies that visit VIT University are: Bosch, Marvell, Renault, Volvo,Microsoft, DeShaw, PayPal Etc. 

You can get more details about VIT University, Vellore campus here:

Https://www.careers360.com/university/vellore-institute-of-technology-vellore

For more details about placements you can check here:

Https://www.google.co.in/amp/s/university.careers360.com/articles/vit-university-placements/amp