Hi Pratyush!! Congratulations on both your rank!! I am glad to inform that you have a good chance of getting CSE in SRM as the cutoff is in and around 10000 in recent years and with that you'll get all branches in main campus of SRM with your rank while in SRM you may not get CSE as the cutoff has been 5000 in recent years but you'll get all other branches in KIIT. So, I would suggest you to go for SRM as you're getting all branches there and it's one of the top universities in the country and it's placed higher than KIIT in MHRD ranking.

Hope that helped.Thank you