दौड़ती है हिमालय तट से सागर, हमसफ़र हर राह पर, हवाई जहाज़ों को त्याग कर, करो अक्सर, भारतीय रेल में सफर. - Arpit P

Hello guys
its very heartening to know such a good site and so many people helping each other to deal with this Indian Railway BEAST & PUZZLE of Booking tickets (its more like a treasure QUEST to know all the aspects of ticket booking and stuff)
I am already stuck with this big issue (/blog/post/715928)
but
I...
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have some questions which are general and may help others
1) Can you guys share links where there is detail about the duties and working of TTE's on trains?
2) How many TTE's are there per train/coach/tier?
3) Do they have jurisdiction over coaches or all can work for any coach on train?
4) Is there any senior TTE too on train or TTE is the highest authority on moving train?
5) Do majority of TTe's openly take money (or bribe) for doing nominal work?
any more help on TTE info would be great.
Thanks