Indian Institute of Science

Both the institutes have an average package of around 18 LPA.

Hello Latha,
Yes, the KVPY exam is not mandatory for admission to IISc for the UG programme. But unfortunately, at the same time, it is exceedingly difficult to do because the standard of JEE cutoffs are much higher and KVPY students are still given a preference in admission. You can GET into IISc B

Yes. In which year have you passed class 12th?

There is no other way. Application form is applicable only in online mode.

Yes, through JAM.

Placement is good but many students who study in IISc are not going for placement.

You have to pass 10+2 or PUC examination in 2017 with Physics, Chemistry & Mathematics as the main subjects from a recognised board. If you have studied Biology, Electronics, Computer Science, Statistics, etc. in addition to PCM, then also you are eligible to apply.
You have to secure a first class

Yes, Indian Institute of Science offers management seats for B.Sc. Physics. For admission through management quota, you have to visit the college and get the admission. Best of luck for your future and if any query, feel free to ask.