Hello Krupasagar!

Well, now this all depends on your interest and in which field you want to build your career.

If you are into engineering field, then there are several exams you can take.

1. JEE Mains and JEE Advanced(if qualified in mains).
2. BITSAT
3. EAMCET (since you are AP candidate, it is always better to take this exam).
4. COMEDK
5. VITEEE
6. MET
7. SRMJEE
8. SITEEE

https://engineering.careers360.com/articles/top-engineering-entrance-exams-in-india

If you are a medical aspirant then NEET is compulsory to take. Along with that, you can take AIIMS and JIPMER too.

If you are looking for basic science courses then try KVPY, IISER, GSAT, AGRICET etc.

Different exams have varying degree of difficulty depending on the insitution or the body conducting the exam, number of students attempting for that exam etc.

Here are a few tips:

1. Decide in which field you want to go furthur and prepare according to that.
2. Dont go by peer pressure. You need not take just engineering or medical to earn a livelihood.
3. Concentrate on the exams which you are taking. You cannot attend all the exams.

Give your best!