Engineering Entrance Exam

With a percentile of 79.114 in JEE Mains, you can consider the following colleges for the Computer Science (CS) branch:

National Institute of Technology (NIT) Meghalaya

National Institute of Technology (NIT) Agartala

National Institute of Technology (NIT) Hamirpur

These colleges are known to offer the CS branch and may be within reach with a percentile around 79.114 in JEE Mains. It's advisable to check the specific cutoff ranks for each college and branch to determine your eligibility for admission.

With the rank of 6 Lakh in JEE mains, it's quite difficult to get admission in top tier college. Some colleges like Jaypee University, Amity University, Sharda University, LPU have option for CSE. Both Jaypee and Chitkara are good choice for pursuing CSE. If you prefer industry - oriented curriculum with strong placement opportunities, Chitkara University is best option.

After calculating your percentile, your rank is between 24000-27000. You can get the following NITs:

NIT Mizoram

NIT Meghalaya 

NIT Puducherry

NIT Rourkela

NIT Goa

As your mark in IPE as well as in JEE Mains are good, so you have good chances to get into CSE branch from SASTRA University

No, a candidate will not be guaranteed admission in VIT he /she clears the VIT cut off. The admission is based on not just on the cut off, but the category in which the candidate falls, difficulty level of the examination, the number of applicants who have registered themselves for the examination and the previous year trends for the cut off as well. So yes, it is safe to say that only clearing the cut off will not guarantee or admission in VIT, however scuring above the cutoff will increase your chances in doing so. 

No, in fact a Candidate should note that if he or she is not sure about an answer to a question, they should surely try to avoid that question since there is a negative marking in the GATE examination. It is not mandatory to solve all the 65 questions and one must be totally sure while answering a question and not rely on the luck of guessing.

To know more about the GATE examination, refer to the official website from the examination or Shiksha.