set an alarm for every 30 minutes till 8 pm
har 30 minutes ke liye raat 8 baje tak ka alarm set kare
[IN:UNSUPPORTED_ALARM set an alarm for [SL:PERIOD every 30 minutes ] till 8 pm ]
[IN:UNSUPPORTED_ALARM [SL:PERIOD har 30 minutes ] ke liye raat 8 baje tak ka alarm set kare ]