@ followed by persons name.. ( Without gap between @ and person name) . Tags will be suggested along with their snap. <font color ="#3b5998"><b> @6372ac8e17d2c800158d8dfc </b></font> ... like this... @Shivanjali Mahindrakar. you have to select..then it's tagged.

when you wanto ans a certain question wid a tag just type thier name in the answer column it will get tagged