Engineering

Once you have filled the form and sent it, then it is not possible to re edit it.

Paper 2 marks is not considered to get in NITs. Your paper one mark will decide, whether you will get in or not.

It depends on your rank, and the result will only be sure after counselling. As you said about the score, there is a chance that you may get a college. But, not so sure about it. So, wait for the result, and if you have any other exam, do your best.

Please check for your eligibility to pursue a B.Tech. in Petroleum Engineering (Lateral Entry) at Rajasthan Technical University from the criteria mentioned at the link provided below. Admission process for this course is also mentioned at the link provided below:https://www.shiksha.com/b-tech/cours

The top universities for MCA in India to get admission through TANCET and NIMCET are:
1: University of Pune (Pune, Maharashtra)
2: Jawaharlal Nehru University (New Mehrauli Road, New Delhi)
3: University of Hyderabad (Gachibowli, Hyderabad)
4: NIT (Tiruchirappalli, Tamil Nadu)
5: Birla Institute of Tech

Yes, there is always a registration required to attend any entrance exam. Sometimes, they also charge you to attend the exam.

It depends on cutoff marks which vary from year to year depending upon toughness of questions and competition.