Gujarat

There is no any government college in Gujarat for embryology. You can search Asian Specific College, which provide M.Sc in embryology.

The result will be declared between February-March, 2019 in the online mode.

You have a good chance. Percentile above 75 will give you great chance.

NIT Rourkela. You can consult people who are pursuing. Placements are better than any other NITs.

There are less chances to go into this college. As there are already a few seats for architecture and this institute has the cut-off rank of 1721 for outside state students.
You may check Shiksha College Predictor to get more idea of which college you can get.
You can opt for any other college. Hope

C. K. Pithawala College of Engineering and Technology
Government Engineering College, Valsad
Prime Institute of Engineering & Technology, Navsari
GIDC Degree Engineering College
Arun Muchhala Engineering College

The final AIR will be declared after April 2019 considering the best score out of the two JEE Main attempts for all the applicants, hence based on current percentile we cannot predict where you get admission in South Gujarat area. Wait for the final AIR declaration
Details:
https://www.shiksha.com/b