Yes, there are seats available for BTech in Chandigarh University and moreover, the value of Chandigarh University (CU) is increasing day by day. Chandigarh University is becoming a very good college for BTech especially in Computer Science. Even they conduct an exam for deduction of fees in BTech. It is state University and is Private University. There is 3 campus of Chandigarh University one is in Chandigarh rest two are in nearby cities of Chandigarh. The best one is the Chandigarh Campus as it provides best facilities and faculty too there are very good. 

You can check about the Chandigarh University at: -

https://www.careers360.com/university/chandigarh-university-chandigarh

If you want admission in other colleges on the basis of JEE Mains Marks you can choose JEE MAIN PREDICTOR as being provided by Careers 360 only at a very nominal price. You will be provided with all the details of the colleges with the best branch. You can use that it is really very good and you can check and explore various colleges and choose the best college.

https://engineering.careers360.com/jee-main-college-predictor?icn=jee-main-clgpd_landing-page&ici=prediction-section_c360-home