You can consider below names as these are the decent ones -
The Engineering Academy, K.P.H.B. Colony
Nirmal Coaching Centre & Aeronautical Consultancy, Santosh Nagar
Professional English Academy for Career Exellence, Habsiguda
Sreedhar's College for Competitive Exams, Secunderabad
Spark Academy, Ameerpet
Praignya Spoken English, Dilsukh Nagar
Jagan Tutions, Boduppal etc.

Note : As there are many available so I would suggest you to join the one which helps you to clear all your doubts clear and which helps you in your preparation so well so that you can achieve your target. Apart from this, consider your interest and convenience as well.

Hope this helps!!!

Here are some of the coaching/ Institute name you can prefer.

The Engineering Academy, K.P.H.B. Colony

Genco Transco coaching

 Genco Global Technologies

 Brilliant Home Tuitions, K.P.H.B. Colony

Good Luck!