[Resolved]  SBI — Request to change exam date (clerical exam 20.7.14)

I am Gunaseelan, i applied for sbi clerk exam last month .where sbi announced exam in 20.7.14 while it is online exam that happening in the different timeslots in saturday and sunday upto next month.during the same day i had group1 exam date that is announced two months before, while i requsted to change the exam date to next month in [protected]@ibpsorg.org and [protected]@ibps.in mails i requsted one time at first but they didnot answer any mail so i send many messages till they didnot reply .there phone number also out of order how can i contact them? why they are not caring the people, i had paid Rs 450 for exam i need feedback from them and i need to allow to write exam in different day.My contact no [protected]