Polytechnic

DTU offers lateral entry and there are universities like Indraprastha University in Delhi NCR.

Hello Pranay,
Here are a few colleges for polytechnic in Hyderabad:
1. Nishitha College of Engineering and Technology, Shamshabad
2. ASK Engineering Academy, Dilsukh Nagar
3. Ratnapuri Institute of Technology (College of Polytechnic), Hathnoora
4. Centeral Institute of Plastics Engineering and Technology, Cherlapally
5. Government Polytechnic College, East Marredpally

The definition of best varies from person to person and is influenced by personal inclinations and ones strength
Opt for the trade that you love the most and are most passionate about and analyze the future work conditions, scope and growth prospects before taking admission
You can also opt for psychometric test comprising of aptitude, personality and career interest to clear confusion.

No, it's not necessary.

Hello Deepak,
For getting admission in Diploma, CGPA doesn't matter more the thing which makes matter is your results in the entrance exam conducted by central and state board then you get admission if you scored better. If not then you can go for Polytechnic in a private college.

You can search for Job and enroll in AMIE. AMIE is a B.tech level examination conducted by the Institution of Engineers (India).AMIE is recognized as equal to B.Tech in both Government and private sectors.This is approved for higher education (M.Tech, MBA etc). AMIE consist of two sections :- section A and section B. For polytechnic students section A consists of 4 subjects and section B consists of 9+lab. I hope that will help you. If you have queries, you can always ask me.