The famous Vedic river which had long ago become extinct and now supposed to be flowing underground in Rajasthan is

Answer: Option D

Scientists say new evidence could unearth the Saraswati. The legend of the mighty Saraswati river has lived on in India since time immemorial. Ancient Hindu scriptures called the Vedas, recorded thousands of years ago, are full of tantalizing hymns about it being the life-stream of the people.