CUET

Vikram University provides a wide range of Ug courses via CUET, including the following: B.P.E.S. Physical Education and Sports, Certificate Course Sindhi Religious Tradition, Bachelor in Journalism & Mass Communication, and BSC, BA, BCA, BBA, Bcom.

REC pratapgarh accepts JEE scores for B.tech course admission. However if you have done diploma in the Civil engineering from a prestigious university as you are stating , you can seek for a lateral entry in Btech course through CUET only with good scores. However you need to ensure that the past records of Diploma in civil engineering course are good and you fetch a good score in CUET , only then you would be able to gey admissions. It also depends upon the availability of seats and vacancies

No, it is not required, but it requires:

1. More than 50% in 12th from recognised board.
2. NEET UG qualified with 500+ as safe score.
3. It is state university so obviously if you are from Uttarakhand you have a reservation.
4. You must have opted PCB in 12th class.
5. Also it is quite good in infrastructure and fees.

The Christ University Entrance Test application process is an online process, and it began in the month ofJanuary . The last date to fill out the Christ University application form was in the month of April. The last date for application for non-entrance exam programmes was in the month of April. 

Yes one can change its interest around CUET.

here is CUET score for BA at Sri Guru Tegh Bahadur Khalsa College

B.Com - 96.5

B.Sc (Hons.) - 90

BA - 93

This is just a rough cut off. To get actual cut off go to their website.