Hello,
Here's a list of some of the best R&AC (Refrigeration and Air Conditioning Mechanics) colleges in India

• IIMT University ( IIMTU) , Meerut
• Global Institute Of Technology And Management ( GITM) , Gurgaon
• OmDayal Group Of Institutions ( ODGI) , Howrah
• Teerthanker Mahaveer University ( TMU) , Moradabad
• Sam Higginbottom Institute Of Agriculture, Technology & Sciences ( SHIATS) , Allahabad
• Kohinoor Technical Institute ( KOHINOOR TECHNICAL INSTITUTE) , Pune
• Institute Of Foreign Trade And Managements ( IFTM) , Moradabad
• JP Institute Of Engineering & Technology ( JPIET MEERUT) , Meerut
• NGF College Of Engineering & Technology ( NGFCET) , Palwal
• Institute Of Engineering And Rural Technology ( IERT Allahabad) , Allahabad
• St. Johns College Of Engineering & Technology ( SJCET) , Kurnool

Hope it helps