Sushant 
Hello, I have change the rtc battey.and set the date -s 11:13:51 its show error s3c2440-rtc s3c2410-rtc: rtc only supports 100 years hwclock:RTC_SET_TIME:Invalid argument. and use another way to set date010612282014.03 is proper set but i reboot/poweroff the board.its reset the RTC.and press reset button inside the board its show current date& time...