B.Tech Ranking

It is very hard to get a college with this rank. However, use this link so that you can predict the college on the basis of the rank you have secured:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
If you want to take admission in a college located in Delhi, then go for GGSIPU, it is a very good option.

Go to this link. It will clear your doubt:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=6681128.

You should have rank under 20 k to get admission in Institute of Engineering and Technology (IET) for B.Tech (Lateral Entry).

it depends upon institute

Australia is awesome in terms of education, and duration is 3 years rather than 4 years. To gain entry into an Australian undergraduate course, you need to have class 12th passing certificate. Almost all programmes require a score of IELTS exam, which must not have been taken 24 months before the day of the application and should be more recent. Students should have a minimum IELTS score of 6 and at least 60 in class 12th board exam. Scholarships are available to Indian students.

If you want to take admission in IIT's, then your rank should be under 9000 in JEE advance. If you want to take admission in NITs, then your marks should be more than 150 in JEE Mains. And, if you want to take admission in your state engineering colleges, then your marks should be more than 50 in JEE Mains.