I found solution for same :-
This is my code which helped me:-
@import MobileCoreServices;
NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:@"http://fc05.deviantart.net/fs37/f/2008/283/a/b/KaleidoCoils_animated__gif_by_1389AD.gif"]];
UIPasteboard *pasteBoard=[UIPasteboard generalPasteboard];
[pasteBoard setData:data forPasteboardType:(__bridge NSString *)kUTTypeGIF];
@"com.compuserve.gif"
comes from http://www.escape.gr/manuals/qdrop/UTI.html
Hope this helps someone... :)