Dear student, hope you are doing well.

Changing your stream from commerce to science after graduating from high school in India is normally not an easy process and may be subject to restrictions depending on the educational system and regulations of the relevant state or education board. It's crucial to remember that regulations can differ from one state or education board to another. Here are some broad ideas to keep in mind:

State Education Board Regulations: In India, each state education boards have their own regulations regarding stream changes beyond the eleventh grade. Stream alterations may be permitted by some state boards under specific circumstances, while others may have more stringent rules.

Subject Requirements: Physics, Chemistry, Mathematics, and Biology are frequently required in the 11th and 12th grade Science stream. Before switching to the scientific stream, you might need to catch up on these courses if you didn't study them in the 11th grade commerce course.

Limited Seats: Due to demand and resource availability, the science stream frequently has a limited number of seats. It could be more difficult to get accepted if the scientific stream at the school or college of your choice is oversubscribed.

Resources are readily available: Practical investigations in science areas require laboratories and specialized resources. You might want to think about whether the institution you want to attend has the resources needed to accommodate stream changes.

Consult the school authorities: If you're thinking about changing your stream, it's vital to speak with the local education board or school administration to learn about their regulations and processes. Based on your unique circumstances, they can give you reliable information.

Additional Preparation: If you are permitted to switch to the science stream, be ready to put in more time studying and catching up on coursework. Science courses often have a very distinct curriculum and substance than business courses.

Long-Term ambitions: When determining whether to switch streams, take into account your long-term educational and professional ambitions. It might be worthwhile to consider the switch if your chosen subject of study or professional route demands a background in science.

Private Coaching: In some situations, students who want to change their stream may choose private coaching or tuition to make up for the classes they missed in the 11th grade.

Given the difficulties associated with switching streams after the 11th grade, it is advised that you speak with your state's education board or your local school administration for accurate information and advice that is catered to your particular needs. Though it might be difficult, keep in mind that it's not impossible, and some organizations might have allowances for such circumstances.

Read more about  future courses after 12

https://school.careers360.com/articles/courses-after-12th