Yes, there are provisions for lateral entry to higher semesters in physics courses in IITs. This allows students who have completed a certain number of semesters in another recognized institution to join the physics program at IITs at a higher semester level. The specific provisions and eligibility criteria may vary slightly between different IITs, but generally, the following conditions apply:

Eligibility Criteria:
- The candidate must have completed a certain number of semesters (usually two or three) in a recognized institution.
- The candidate must have obtained a minimum CGPA or percentage as specified by the respective IIT.
- The candidate must have pursued a similar or related course of study as specified by the IIT.

Application Process:
- The interested candidates need to apply through the official website of the respective IIT.
- They need to fill out the application form, providing details of their academic background, grades, and course syllabus.
- They may also be required to submit relevant documents such as transcripts, course syllabus, and certificates.
- There is usually an application fee that needs to be paid.

Evaluation and Selection:
- The applications are evaluated by the admission committee of the respective IIT.
- The committee assesses the academic performance, grades, and course similarity of the applicants.
- Shortlisted candidates may be called for a written test or an interview to further assess their knowledge and suitability for the program.
- The final selection is based on the overall performance of the candidates in the evaluation process.

Benefits of Lateral Entry:
- Lateral entry allows students to join the program at a higher semester level, saving them time and allowing them to complete their degree faster.
- It provides an opportunity for students who have excelled in their previous institution to join the prestigious IITs and leverage the resources and opportunities available.
- It facilitates the exchange of knowledge and diversity of perspectives among students coming from different institutions.
- Lateral entry students can take advantage of the advanced curriculum and research facilities offered by the IITs.

In conclusion, IITs have provisions for lateral entry to higher semesters in physics courses. Eligible candidates can apply through the official website of the respective IIT and go through an evaluation process to secure admission at an advanced level. This allows students to leverage their previous academic experience and join the prestigious IIT system to further their education and career prospects in the field of physics.