Information about SCJP 1.5 310-055 exam voucher price

hey guys,
This is navin and I would like to know about the exam voucher prices in Mumbai..
the exam vouchers prices are varying over the net.
and I would also like to know about the special vouchers that include offers like second shot free and stuff like that...
;)as i am not so confident about clearing the exam at my first attempt.
Please Let me know about the vouchers deals in Mumbai and if some one needs to sell his/her voucher,I would be glad to know about the same.

Thanking you in advance guys.

Have a wonderful day :)