Hi aspirant,

Congratulations on obtaining this rank in TN higher secondary counselling.Your chances are good to obtain a seat in biotechnology departmment in Sastra university. If 291 is your general category rank try applying in your category rank to increase your possibility of obtaining a seat there.

Refer link to know more about Biotechnology in Sastra university https://www.careers360.com/university/shanmugha-arts-science-technology-research-and-academy-thanjavur/btech-biotechnology-course

Hope this helps

All the best