With reference to the Ajivika philosophy of India, consider the following pairs:

1. There was no caste discrimination and people from all walks of life joined them.

2. Like Jains, Ajiviks wore no clothes and lived as ascetic monks in organised groups.

3. The Barabar Caves (ancient rock-cut caves) in Bihar dating from the Mauryan Empire, were made for Ajiviks and Jains to retreat and meditate.

Which of the statements given above is/are correct?