• Eastern Railway, Fairlie Place, Kolkata – 700001
• South Eastern Railway, Garden Reach, Kolkata – 700043
• Central Railway, C.S.T. Mumbai – 400001
• Western Railway, Church Gate, Mumbai – 400020
• Southern Railway, Park Town, Chennai – 600003
• South Central Railway, Rail Nilayam, Secunderabad-500071
• Northern Railway, Baroda House, New Delhi – 110001
• Metro Railway, Metro Rail Bhawan, 33/1 Chowringhee Road, Kolkata – 700071
• Bharat Heavy Electricals Ltd., P.O.- BHEL, Jhansi – 284129
• Bharat Heavy Electricals Ltd., Piplani, Bhopal- 462022
• Bombardier Transportation India Ltd., Maneja, Vadodara – 390013
• Diesel Locomotive Works, Varanasi