Hi,

Osmania University is in Telangana so most probably you will be ineligible for admissions there as  you will need to meet the domicile requirements for the engineering entrance exam which is TS EAMCET. Moreoever Astronomical engineering is not offered in India. However, Aeronautical or Aerospace Engineering is offered. 

In Gujarat through GUJCET the following colleges offer Aeronautical Engineering

Aditya Silver Oak Institute of Technology Ahmedabad 

Bhagwan Arihant Institute of Tech., Surat

Parul Institute of Engineering & Technology, Waghodia, Vadodara

Sardar Vallabhbhai Patel Institute Of Tech.,Vasad

Silver Oak College Of Engg., & Tech., Ahmedabad