देवेन्द्रनाथ टैगोर द्वारा कलकत्ता में तत्वबोधिनी सभा की स्थापना किस वर्ष की गई थी?

The national song of India 'Vande Mataram' was first sung at the session of the Indian National Congress held in _________.

Consider the following statements regarding the Karachi Session of the Indian National Congress in 1931: 1. It was convened to endorse the Gandhi-Irwin Pact and emphasize the fundamental rights of citizens. 2. The session was presided over by Vallabhbhai Patel. Which of the statements given above is/are correct?