What is the theme in A Suitable Boy: A Novel by Vikram Seth?

The theme of Religious Intolerance runs heavily throughout the novel. Religious difference prevents Lata and Kabir from fulfilling their hearts' desires for each other. The Raja of Marh becomes the arch symbol of religious militancy with his erecting the Temple of Shiva adjacent to a mosque. The phallic symbol of Shiva he intends to use as the centerpiece of the temple is an act of spite designed to insult Muslims.