Two thousand four hundred years ago a book was written in the holy land of Bharat. This book has been translated in alllanguages of the universe. This is Vatsyayana Kamasutra. Kama is pure and pious. We are all the creation of Kama. Vatsayana the author of Kamasutra in his early life was a warrior and a teacher of Artha Shastra, Dharma Shastra, Ranjniti Shastra.
He unified our sub-continent into one nation but one day he had some differences with the Samrat then he took sanyas and left Patliputra on self impose exile. Then he met Dharni after marrying her he experienced Kama in the first time in his life. This experience left a great effect on him.
One day he met with his old time friend Maheshwar and his teacher of Taxila. Gurudev gave him a task to summarise the book of Vabharaya's Kamashastra and to write a new book Kamasutra. Angrik, brother in law of Vatsayayana was brave young man. His life shattered after the death of his wife Vasantika. Vilasini, the princess of Ujjaini consoled him.
Both fell in love but the prince of Vidisha Indrajeet wanted to marry Vilasini. Thus the prejudice prince became an enemy of Vatsayana also. What happened with Vatsayana and how he wrote Kamasutra is what Vatsyayana Kamasutra.