Hemchandracharya North Gujarat University

Yes, after completing B.Sc, you can apply for admission in MS University, Vadodara, for M.Sc. M.Sc is a two years post graduate programme. You can check site of MS University for admission in M.Sc Programme.

First, you must have graduation from recognized university with minimum 50% and then you can apply for admission.
Admission process are as follows:
Register and Apply
Interested candidates can apply online/ offline with the required information.
Entrance Test
Eligible candidates need to appear for the Gujrat Common Entrance Test (GCET-MBA) conducted by Hemchandracharya North Gujarat University.
Counselling
Admission is through counseling based on the rank obtained in Gujrat Common Entrance Test (GCET-MBA).

Please click below for the available merit list for 2018-19.
http://admission.ngu.ac.in/List_Merit_Info_msc.aspx

Yes, you can.
Visit this link to check B.Arch colleges based upon your rank:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=6919840
Visit this link for various colleges which provides you with the brochure:
https://www.shiksha.com/architecture-planning/colleges/b-arch-colleges-india

The fees of MSW is INR 15,500. For more information, you can follow the given link: https://www.shiksha.com/humanities-social-sciences/social-work/course/master-of-social-work-hemchandracharya-north-gujarat-university-gujarat-other-296947 regards.