Hello Kamalakar!

Definitely, you can get the best BTech engineering colleges with 21000 rank in ts eamcet. I will give you some colleges list here.

Malla reddy college of engineering and technology, Hyderabad,

Vasavi college of engineering, Hyderabad,

vignan institute of technology and science, Nalgonda,

SR engineering college, Warangal,

Vardhman engineering college, Hyderabad.

hope this will helps you.

thank you.