haha.. first time naam suna is train ka.. Steel express.. :p Tatanagar se chali toh steel express..
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CNB se chalti agar toh Leather express ;)
Assam se chalti toh Tea express. ;)
Surat...
more... se toh "Diamond" express.. ;)
aur BE se "surma" express. ;)
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. suggest any more name guys..