Hi

No, there will be no problem because of GAP years between your class 10th and 11th . What all matters is your 12th qualifications.

As per the eligibility criteria of Jadavpur University to be eligible for B tech

• You  must have passed 10+2 / equivalent  with Physics, Mathematics and Chemistry as compulsory subjects with a minimum of 60% marks  or 45%  aggregate marks in case if you are from reserved category

• You must have passed each subject separately ( including both theory and practical). You must have also got atleast 30% marks in English.

So, you don't need to worry about gap years at all just focus on your class 11th and 12th and your wbjee preparation and if you meet above eligibility criteria with your class 12th then you will be eligible and can definitely get admission in Jadavpur University on the basis of rank of obtained by you in your wbjee

You can check the same by visiting our page for which link is provided below

https://engineering.careers360.com/articles/wbjee-eligibility-criteria

Thank you