Colleges in Assam

No, you do not have chance of getting admission with MAT score, as the university doesn't accept MAT score for admission in MBA.

Hi Dibaluk!
The entrance exam date is not out yet but tentatively, it will happen in the second week of July. You should fill the online application form by the last week of June.

Hi Bikash!
The admission notification of Gauhati University comes out usually in the month of July. Please keep an eye on the university's website for the update.

NIT-Silchar,Mechanical Engineering will be difficult to get,
Based on your rank you can expect colleges like -
Institute of Technology, Guru Ghasidas Vishwavidyalaya
Sant Longowal Institute of Engineering and Technology
J K Institute of Applied Physics and Technology
Indian Institute of Information Technology, Manipur
Gurukl Kangri Viswavidyalaya, Haridwar
NIT-Srinagar
HNB Garhwal University, Srinagar
You can check the below link for colleges you may expect-
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

The fee structure for Indian School of Business Management & Administration, Guwahati - Graduate Diploma in Management is mentioned in the following link. https://www.shiksha.com/college/indian-school-of-business-management-and-administration-gwalior-33886

Yes. It is available online.