Dear Student ,

In B.Tech level , Genetic Engineering is not offered by any IITs . Well, you may get admission in Genetic engineering in the following well known colleges in India :

• SRM University Chennai - SRM Institute of Science and Technology
• IISc Bangalore - Indian Institute of Science
• Sharda University, Greater Noida
• Bharath Institute of Higher Education and Research, Chennai and few more

Well, few  IITs accept admission in Genetic Engineering but as PG level . Basic eligibility is to be graduate in Biotechnology or Biological Sciences

To know the details about the colleges mentioned above :

https://engineering.careers360.com/colleges/list-of-genetic-engineering-colleges-in-india

Hope this helps !