Hey Aakriti,

There are many top colleges offering admission in course Food Technology for Postgraduate in India such as

• SRM Institute of Science and Technology,  Chennai
  
• University of Delhi,  Delhi
• Jadavpur University, Kolkata
• Birla Institute of Technology,  Mesra
• Institute of Technology,  Mumbai 
• Banaras Hindu University, Varanasi
• Lovely Professional University,  Phagwara
• Veer Mata Jijabai Technological Institute,  Mumbai

hope this helps