Yes , you can appear in IIT JEE exam after qualifying 12th class examination with Physics and Mathematics subjects.

JEE Main Eligibility Criteria:

Age :
17 years .

Qualification :
Pass 12th Exam or any equivalent qualifying exam with physics and chemistry subjects.

Attempts :
3 times .

Reservation of seats for :
Other Backward Classes (OBC) if they belong to Non Creamy Layer (NCL)
Scheduled Castes (SC)
Scheduled Tribes (ST)
Persons with Disability (PwD)with 40% or more disability

Preparation tips :
Plan your studies properly.

Start preparation as soon as possible

Revision and complete dedication for study is requires

Prepare as per the weightage of different chapters

Clear basics concepts .

Solve last year papers .

JEE Main Exam Pattern