Complex sentence: Fatuha is situated at the confluence of Ganges and Punpun, an area known as Triveni since the mythical river Saraswati is deemed to unite with these two rivers here.
Split into simpler sentences: Fatuha is situated at the confluence of Ganges and Punpun. The confluence zone of Ganges and Punpun rivers is known as Triveni as the mythical river Saraswati is deemed to unite with these two rivers here.