Micromax bolt supreme 4 and karbonn titanium vista . which phone I have to buy?

[WAQAS la]

I want to buy a phone under rupees 3.5k. I search for many phones and decided to purchase either micromax bolt supreme 4 or karbonn titanium vista. So please suggest me that which I have to buy....

 

[rgd1101]

I want to buy a phone under 3.5k. I search for many phones and decided to purchase either micromax bolt supreme 4 or karbonn titanium vista. So please suggest me that which I have to buy....

and the currency is?