In addition to the trains already mentioned in the thread, these are the trains with 12+ AC coaches in the composition( mixed composition trains):
12111/12 CSMT - AMI Superfast Express - 13 AC coaches
12405/06 NZM - BSL Gondwana Express - 13 AC coaches
12409/10...
more... NZM - RIG Gondwana Express - 13 AC coaches
12445/46 NDLS - SVDK Uttar Sampark Kranti Express - 15 AC coaches
12447/48 NZM - MKP Uttar Pradesh Sampark Kranti Express - 15 AC coaches
12533/34 LJN - CSMT Pushpak Express - 12 AC coaches
12555/56 GKP - BTI Gorakhdham Express - 13 AC coaches
12621/22 MAS - NDLS Tamil Nadu Express - 12 AC coaches
12655/56 MAS - ADI Navjeevan Express - 12 AC coaches
12755/56 COA - BVC Superfast Express - 14 AC coaches
12775/76 CCT - LPI Cocanada Express - 15 AC coaches
13021/22 HWH - RXL Mithila Express - 12 AC coaches
14037/38 SCL - NDLS Purvottar Sampark Kranti Express - 15 AC coaches
15003/04 GKP - CPA Chauri Chaura Express - 13 AC coaches
15009/10 GKP - MLN Gomtinagar Express - 13 AC coaches
15021/22 GKP - SHM weekly Express - 13 AC coaches
15023/24 GKP - YPR Express - 13 AC coaches
15027/28 GKP - HTE Maurya Express - 13 AC coaches
15029/30 GKP - PUNE weekly Express - 13 AC coaches
15047/48/49/50/51/52 GKP - KOAA Purvanchal Express - 13 AC coaches
15065/66 GKP - PNVL Express - 13 AC coaches
15067/68 GKP - BDTS Express - 13 AC coaches
17205/06 COA - SNSI Express - 14 AC coaches
17321/22 VSG - JSME Express - 13 AC coaches
18009/10 SRC - AII Express - 13 AC coaches
22449/50 GHY - NDLS Purvottar Sampark Kranti Express - 15 AC coaches
22611/12 MAS - NJP Express - 12 AC coaches
22641/42 TVC - SHM Express - 12 AC coaches
22655/56 ERS - NZM Express - 14 AC coaches
22829/30 SHM - BHUJ Express - 13 AC coaches
22851/52 SRC - MAQ Vivek Express - 13 AC coaches