p.please

HELLO EVERYONE!! IM BUYING A NEW CELLPHONE UNDER RS 20000 AND IVE NARROWED IT DOWN TO THE DESIRE X , XPERIA P AND S3 MINI. ARE THERE ANY FLAWS IN THEM THAT I SHOULD KNOW ABOUT??? IM KIND OF WORRIED ABOUT THE 1300 MaH BATTERY ON THE XPERIA P.PLEASE HELP ME CHOOSE BETWEEN THEM!!..