JEE

Yes, you are eligible, here's the eligibility:
12th Class/Equivalent Exam Passed Out Candidates in 2016/2017.
12th Class/Equivalent Exam Appearing Candidates in 2018.
Diploma holders who have already passed or are in their final year of their Degree.

Hello Ramasai,
For architecture courses, you need to clear JEE Mains paper 2 and JEE Advanced. To get admission into IITs for B. Arch courses, you need to clear an Architecture aptitude test (AAT) based on which you will be allotted seats.
However, JEE Mains paper 2 scores are being accepted by many r

Physics- TMH Publication, IE Irodov and HC Verma.
Maths-IIT Maths by Das Gupta and TMH Publication.
Chemistry-Numerical chemistry by P Bahadur, inorganic by Pradeep Publication or Arihant and organic by Solomon and Fryle or Reso notes.

There are few good universities that accept JEE Mains scores like Thapar University, Punjab Engineering College, Delhi Technological University and NSIT.

Hi,
If you talking about the AITS (All India Test Series) by various institutes for JEE, then definitely the paper is toughest of all times. The only purpose is to develop that exam environment and prepare well for the situation. These test series are no doubt difficult but JEE Mains is far more easy

You can get admission in Amity, Sharda, LPU, Noida International University, Galgotia’s University, Kalasalingam University, Saveetha Engineering College, etc. You can also get scholarship in some colleges.

Hello Abhay
You can get complete solution and questions of PCM in the book 38-year's question paper solution by Arihant publication.

Hi,
You should take a chance and see if you don't get a good college after one year drop then choose the career which you want to pursue.