I have a year back in my B.Tech 3rd year. Can I get placed after clearing all the subjects and get my graduation done with 7 CGPA?

Yes, you can get placed after clearing all the subjects and getting your graduation done with 7 CGPA even if you have a year back in your B.Tech 3rd year. However, it will be a bit more challenging than if you had not taken a year back.

Here are some things you can do to increase your chances of gett

No, you can not. Its better to opt for some distance Bachelor degree courses of IGNOU or other open Universities as per your convenience.