Hello Sanjay

You can pursue many courses after your 12th.

Btech/B.E/MS Integrated courses are commonly pursued these days and these include specialisations in Software,Civil,ECE,CSE/IT,EEE,Mechanical, Electronics and Instrumentation, Petroleum and Chemical, Electrical, Power/Power systems, Biomedical, Industrial, Agricultural, Environmental,Mechatronics, Aerospace, Avionics, Marine,Quality, Architectural engineering,Robotics,Automobile,Ocean Engineering, Astrology/Astronomics, Automotive, Computer engineering , food engineering, Mining and a lot more specialisations are also available depending on your interest you can choose.

You can also pursue BBA/BBM, BA Economics, Bsc in Maths/ Physics/Chemistry /Electronics.

You can also become a Scientist if you pursue a Bachelor's degree with Masters and PhD.

And if you are not interested in any of these courses you can also pursue Commerce/Arts/Humanities courses which include Bank Management, Investment Management, Chartered Accounting, CS,ICWA, Financial Analyst, Business Analytics.

Interior Designing, Fashion Designing, Gem and Jewellery Management, Hotel Management, Aviation Management, Ship Management, Hospital Management, Hospitality Management, Home Science, Psychology etc.

Other than that you can also prepare for Groups or UPSC exams for IAS,IPS or IFS etc