Hello, 

The colleges for polytechnic in new Delhi affiliated by board of technical education is listed below :

• All India Council For Technical Education
• Pusa Institute Of Technology
• Ambedkar Institute of Technology, New Delhi
• G B Pant Institute of Technology
• Guru Tegh Bahadur Polytechnic Institute
• Polytechnic for Women
• Aditya Institute of Technology
• Guru Nanak Dev Polytechnic
• Indira Gandhi Delhi Technical University for Women
• Delhi Pharmaceutical Sciences and Research University
• Ambedkar Institute Of Advanced Communication Technologies And Research

I hope this would help you. For further queries please feel free to write me down in the comment box.