Colleges in Uttar Pradesh

It is good but you should seek admission in other better colleges too. it can be your good option as 'the last refuge'.

Iiit allahabad has a good reputation , check college is offering your line of interest, that is equally important. all the best

IIT Roorkee is Mecca of civil engineering education. You are advised to opt for IIT Roorkee over IIT Kanpur for BTech Civil Engineering.

Follow the predictor :
https://www.shiksha.com/upsee-college-predictor

Both are really good but placement wise IIIT A has done better this time.

Depends on the branches you are getting in each of them and which branch you want.To get better guidance you can specify your rank and other details so I can guide you accordingly but in general I can say this that all are good options but among them for CSE/IT branch ISM Dhanbad and IIITA will be better options considering the placement and the reputation.

3 it B.Tech++MBA placement is best

Yes, Galgotias is a renowned name in the quality of education.

if you want cse branch then there is a very little chance of jss but you can get admission in other colleges through obc rank but if you want any other branch like it then you will get jss

Maybe yes, it is a very good option in case you get it. Till last year the SC PwD had been somewhere around 4000- 4500 by the last round. But trends change and hope for the best.