Probably you can, if it is of the same type.
Is your ram just one stick? Most motherboards have at least 4 RAM slots, including most Biostar motherboards I think. But there is no one model of Biostar mobos in the world today, so you should probably be more specific Something like: Biostar model.... Or you are asking for the brand itself? Mmm... usualy does the job.
Don't have an idea where is ... Mumbai/???/ /kidding /