Hello!
IIT Roorkee is better considering placements, faculties.
Hostel facilities of IIT Roorkee are also better. You can avail a single starting from 2 years onwards.
IIT Roorkee CSE is better than IIT Guwahati. You learn from your seniors and grow more.
You get to do a lot of research.
Many companies visit for campus placement in CSE departments such as:-

• Microsoft
  
• Adobe
  
• Goldman Sachs
  
• Amazon
  
• Paytm
  

The coding culture of IIT Roorkee is best. Many gets placement with a maximum package of 50 lpa.