hlwo Aspirant

hope you are doing well

according to your query

if you are in science field and want to become am engineer then there are national level entrance exam e.i JEE (joint entrance exam)

after that every state has its own entrance exam for state government engineer colleges like webjee, jelet in west bengal, odisha joint entrance exam, the Vellore Institute of Technology Engineering Entrance Examination(viteee) and so on.

and if want to become doctor then you have to go for NEET, AIIMS, Amrita Institute of Medical Sciences Common Entrance Test,All India Pre Medical Test, Aligarh Muslim University Common Admission Test,Association of Management of Unaided Private Medical and Dental Colleges, Banaras Hindu University Pre Medical Test,Common Entrance Test Punjab, Christian Medical College Vellore,Consortium of Medical, Engineering and Dental Colleges of Karnataka,U-PMT, Uttarakhand,WB-JEE (MBBS),CMC Ludhiana

there are some national level exams and some are dstate levels.

if you're in commerce field then

The top BBA Entrance Exams like CUET, NPAT, IIM IPM Aptitude Test, JIPMAT, SET lead to the admission in best BBA Colleges including Delhi University colleges, IIM Indore IPM, IIM Rohtak IPM, NMIMS Mumbai, Symbiosis colleges, IIM Jammu, IIM Bodh Gaya among others

hope this is helpful for you