Polytechnic Hyderabad 01 Year Merit Based on Qualifying Examination पॉलिटेकनीक - मैकेनिकल इंजीनियरिंग में डिप्लोमा 74 प्रौद्योगिकी संकाय pdme Diploma SCSIT Hyderabad Polytechnic - Diploma in Mechanical Engineering 2019-22 DIPLOMA IN MECHANICAL ENGINEERING (LE) 2019-22