B.Tech Civil Engineering

10+2 with PCM is eligible for admission in engineering. If you are going for a particular university or college then they have their own entrance exam and 12th class percentage based admission.

I don't know why did you choose civil, if you want to take robotics? Robotics is quite based on CS and programming, I advise you only with civil to choose your career to robotics.

You can check the top NIT in civil engineering below
National Institute of Technology, Warangal. National Institute of Technology, Tiruchirappalli. National Institute of Technology Karnataka, Surathkal. Motilal Nehru National Institute of Technology, Allahabad. National Institute of Technology Calicut.

Hi,
Yes, there is an option of lateral admission, but also depends on the marks scored etc.

Kindly predict your college in this college predictor. JEE Main rank predictor is an online tool which predicts the candidates rank range and probable colleges based on the difficulty level of the examination, average marks scored in JEE Main and seats available in IITs, NITs, GFTIs, and other SFTIs. The rank predicted might not be accurate but it certainly does give an idea to the aspirant. Know your college admission chances based on your JEE Main Rank, Home State, Caste, Gender, etc. Here https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

For B.Tech in civil engineering, you should opt for the Galgotias as this college is the best college for this branch. All the other colleges that you have mentioned above on the basis of placements, infra and faculty.

There is a college level counselling so keep a track of that and be in touch with the college that you want to attend. Keep all the documents handy.