Hello Devang, 

Tye top polytechnic colleges in india are :-

• GOVERNMENT POLYTECHNIC, MUMBAI 
  
• SH JOHNDALE, THANE
• ANJUMAN POLYTECHNIC, NAGPUR
• MEI POLYTECHNIC, BANGLORE 
• GOVERNMENT POLYTECHNIC, PUNE

Majority of the polytechnic colleges are in MAHARASHTRA. 

I hope you will find my answer helpful 

All the best. 

Hi dear,

Hope you are doing well!

Now let's go through your question.

Here's the list of top Polytechnic colleges:

• Government Polytechnic , Mumbai
• V.P.M.'s Polytechnic
• S H Jondhale Polytechnic
• Vivekanand Education Society's Polytechnic, Mumbai
• Adesh Polytechnic College, Muktsar
• Anjuman Polytechnic, Nagpur
• Agnel Polytechnic, Mumbai
• Chhotu Ram Polytechnic, Rohtak
• MEI Polytechnic, Bangalore
• Government Polytechnic, Pune
• Seth Jai Parkash Polytechnic
• AANM & VVRSR Polytechnic
• Bapatla Polytechnic College
• Government Polytechnic College Ambikapur
• Government Polytechnic - Kirodimal Polytechnic Society, Raigarh
• Government Polytechnic Miraj
• Kalinga Polytechnic Bhubaneswar
• Yamuna Polytechnic for Engineering

Thank You & All the best!

Hii aspirant..

Best polytechnic diploma colleges in India are- 

These are best top 20 polytechnic diploma colleges in India rank wise -

• 01 Government Polytechnic , MumbaiMumbai
• 02 S H Jondhale PolytechnicThane
• 03 V.P.M.’s PolytechnicThane
• 04 Vivekanand Education Society’s PolytechnicMumbai
• 05 Adesh Polytechnic CollegeMuktsar
• 06 Anjuman PolytechnicNagpur
• 07 Agnel PolytechnicNavi Mumbai
• 08 Chhotu Ram PolytechnicRohtak
• 09 Adhiparasakthi Polytechnic CollegeKanchipuram
• 10 MEI PolytechnicBangalore
• 11 Government PolytechnicPune
• 12 Ananda Marga PolytechnicKolar
• 13 Seth Jai Parkash PolytechnicYamunanagar
• 14 AANM & VVRSR PolytechnicKrishna
• 15 Andhra PolytechnicKakinada
• 16 Bongaigaon PolytechnicBongaigaon
• 17 Bapatla Polytechnic CollegeGuntur
• 18 Government Polytechnic College
• AmbikapurAmbikapur
• 19 Government PolytechnicKirodimal Polytechnic SocietyRaigarh
• 20 Government Polytechnic MirajSangli

Hope it helps. 

Best of luck.