What are the major training academies (LBSNAA, SVPNPA, SSIFS, NADT, NACIN), and how long is the training?

Every CSE recruit starts with the common Foundation Course at LBSNAA, Mussoorie (~15 weeks) with around 600+ officer trainees from 19+ services. After that, each service heads to its specialised academy: IAS stays at LBSNAA for ~2 years total; IPS goes to SVPNPA Hyderabad for 11 months; IFS to SSIFS Delhi for ~9 months; IRS-IT to NADT Nagpur for 16 months; IRS-C&IT to NACIN Palasamudram for 78 weeks; IDAS to NADFM/NIFM; ICAS to NIFM Faridabad; IIS to IIMC Delhi. There is no tuition fee at any of these academies — officer trainees draw a Level-10 stipend (₹56,100 basic) and pay only for mess/uniform deductions.