Books For RRB Technician Gr.III (Electrician) Recruitment Exam

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Hi,
Need help!
I'm preparing for upcoming RRB Technician Gr.III (Electrician) Recruitment Exam 2014.
Please suggest me.
Which book should I read ?
Where can I get get model Q&A paper of previous exams.

 

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Anyone ?

 

[Revolution]

Any good book on yearly solved papers ?