Founding father of Hindutva are: Bankim Chatterjee, Swami Dayananad, Swami Vivekanand, Aurobindo Ghosh and Savarkar. And many many prominent thinkers, politicians from Tilak to Lajpat Rai........
Hindutva and Hindu nationalism is what defined India.
Its not what Sitaram Yechuri want you to believe.
First learn what they stands for and then only you will realise whether Hindu nationalists are for setting up a theocratic state, or is it based on religion.