GATE Scores

You have to get rank under 100 or 200 hundred to get any IISC through GATE.

Yes, you can apply for Visakhapatnam Steel through GATE 2018.
Good luck.

There are over 206 M.Tech colleges in Maharashtra. Please refer to the link provided below for a detailed list of these colleges. You should be able to navigate to a college of your choice using the filters on the web page. Regards. https://www.shiksha.com/engineering/colleges/m-tech-colleges-maharashtra.

Of course, you can pursue M.Tech twice, but both M.Tech have at different duration of time i.e after completion of first, you can do 2nd. Or, you have do 1st as distance learning mode and at the same time you could take admission in 2nd M.Tech degree with your valid GATE score card. Hope, I have given complete details regarding your doubt.

Please check for your eligibility to apply for the PGCET examination from the criteria mentioned at the link provided below:
https://www.shiksha.com/mba/exams/Karnataka-pgcet.