Should i start my startup after 12th??

Hey.

There is a vast scope for entrepreneurs nowadays. If you have a good idea behind your startup, adequate Finance, guidance related to various matters like management, financing and more then you should definitely go for it. But as youre passing Class 12th, you can't ne expected to have experience now which makes it rather important that you should have some guidance. There are various full time courses desgined for budding entrepreneurs, business men like BBA, MBA and various part time course on entrepreneurship, business development which you can also think of pursuing in order to get adequate knowledge about the area that you're planning to get it.

Best of luck