RBSE

Admission in CTAE in undergraduate B.Tech. courses are made on the basis of REAP (Rajasthan Engineering Admission Process). For admission to graduate level degree programs candidate should have passed 10+2 examination and possess valid JEE Main score.
The chances of getting CSE in CTAE are good enough. Participate in Reap for seat allotment and admission.

Hi you can definitely do BCA. You can fill different forms like IP university form, BVP and Christ's forms.

Yes, there is 30 marks of assessment including viva or practical exam taken by external examiner in RBSE board.

Hi, Your requirements I've listed some affordable but top colleges that offer BBA courses:
Maharishi Markandeshwar University Mullana
LPU, Shri Ram College Mazafarnagar, Subharati University, PTU.

Hi, I would suggest you to go through this link and fill out the required details
College predictor in Shiksha to predict if you can get admission in mbm Jodhpur. https://www.shiksha.com/college-predictor. Hope this helps. !