As per me both National Institute of Technology, (NIT) Goa or BITS Goa best to do B.tech there and next is depend on your choice , here I am telling short info of both institution :

National Institute of Technology (NIT ), Goa was set up in 2010 is a premier technical Institute of the region and it is declared as Institute of National Importance.

Courses offered :
Bachelor of Technology in Computer Science and Engineering
Bachelor of Technology in Electronics and Communication Engineering
Bachelor of Technology in Electrical and Electronics Engineering


Departments
Department of Computer Science Engineering
Department of Electrical and Electronics Engineering
Department of Electronics and Communication Engineering

Facilities
Library
Laboratories
Class Rooms
Internet
Sports

Address
National Institute of Technology, Goa
Location : Farmagudi
City : Ponda
State : Goa
Country : India
Contact No : 0832 - 2404200
Contact Email : director@nitgoa.ac.in

Birla Institute of Technology & Science (BITS), Goa was established in 2004.

Courses offered
Bachelor of Engineering in Computer Science Engineering (Hons)
Bachelor of Engineering in Electrical & Electronics Engineering (Hons)
Bachelor of Engineering in Electronics & Instrumentation Engineering
Bachelor of Engineering in Mechanical Engineering
Bachelor of Engineering in Chemical Engineering

Departments
Department of Biological Sciences
Department of Chemical Engineering
Department of Chemistry
Department of Computer Science & Information Systems
Department of Economics
Department of Electrical and Electronics/Instrumentation
Department of Humanities and Social Sciences
Department of Mathematics
Department of Mechanical Engineering
Department of Physics

Facilities
Library
Laboatories
Classrooms
Sports
Hostel
Bank/ATM
Transportation
Caneen
Wi-Fi Campus

Address
Birla Institute of Technology and Science
Location : NH -17B
Zuarinagar
State : Goa
Country : India
Contact No : 08322580105, 08322580106