Colleges in Gujarat

Dear Akash,
It cannot be specifically said that you may get or not get converted based on your GD and PI, as it also depends on the other fellow students. But, your job experience can definitely give you an upper hand than those students who are freshers.
We wish you luck.

https://www.google.com/amp/s/www.shiksha.com/university/amp/msu-the-maharaja-sayajirao-university-of-baroda-vadodara-37071 You can find the reviews and details here.

Last year, entrance for M.Sc zoology took place on 14th June 2018. This year you can expect the exam to take place in the month of June. Applications for the same will be available online from the 1st or 2nd week of may. You can check the MSU digital site for the same.

For BSc (Hons) Environmental Science course, any category student, Passed 10+2 / equivalent
Exam from GHSEB/CBSE/ICSE/NIOS/Others from Science stream with English as one of the
subjects is eligible to give the entrance test.
You can get the application online on MSU digital site or visit the faculty for the form.

Dear Jethwa,
After completing Diploma, you can directly join in any university / affiliated colleges after clear your Lateral Entry Entrance Test of the respective university.
Wish you all the best.

GCET 2019 - Gujarat Common Entrance Test acronym as GCET is conducted online by Gujarat Technological University (GTU) for providing admissions to aspiring candidates in Masters of Business Administration (MBA) and Masters of Computer Application (MCA) courses in the colleges (list is given below) affiliated with it.

Hi Jignisha,
Please follow shiksha cut-off table by the given link, then you can get knowledge about that
https://www.shiksha.com/mba/cmat-exam-cutoff

If your certificate is approved by the state government then it will be valid in that particular state. If your certificate is approved by the central govt., then it will be applicable or valid in anywhere in India.