California

There are many Indian students who are looking for an
opportunity for studying in countries like USA, UK, Canada &
Europe in low cost. Most of the universities around the world
have various scholarship programs catering to a particular set of
students. If you are fitting the eligibilty for that scholarship, then you can start preparing for the examination. The
universities you mentioned in your question also have their own
exam for the scholarship.
To know more about the scholarships you can refer to this link
mentioned below:
https://www.universities.com/student-info/scholarship-
advice/scholarships-study-abroad.

Hi Vishal Siroha,
Take the SAT or ACT to study B.Tech in USA. Since every university has different admission requirements, you have to visit the university websites for specific admission details, they also have their deadlines. You must also take the TOEFL. Also, you must apply via the common app portal so check that website as well.

Hi Gokula,
The California State University has many campuses, around 23. The ranking and outcome actually depends from campus to campus. While all the campus are good you can check any ranking website for which campus is leading the table like check US News Ranking.

HI Nitish Choudhury,
You have to clearly mention which program you want to apply to for a general overview, Bachelor's or Master's? Or you can check the respective program website on the university's website.