@maheshr .. Samsung Guru 1410 (*www.gsmarena.com/samsung_e1410-2647.php)
is real Value for money... Many of my team members are using it... they are really n-joying it. It has Blue tooth. The battery life is simply excellent , 11 hours of talktime...
Recently I purchased one for my relative for Rs 2500 (without memory card).
You should have a look at it. Its really worth man