>Hello all
>Please tell me how i set daylight saving in windows because when i select my Time Zone "(GMT+05:00)Islamabad, Karachi, Tashkent" Checkbox of "Automatically adjust clock for daylight saving changes" not come.

Obviously Windows doesn't consider that time zone as having daylight saving. You can follow steps outlined in the mskb #Q317211 to correct that. The Time Zone Editor can be downloaded from http://www.softshape.com/cham/manual/tzedit.htm, for example.