With reference to Sufism in Indian history, consider the following statements: 1. Shaikh Ahmad Sarhandi was a contemporary of Ibrahim Lodi 2. Shiakh Nasiruddin Chirag-i-Dehlavi was a disciple of Shaikh Nizamuddin Auliya 3. Aurangzeb was contemporary of Shaikh Salim Chisti 4. The Qadiri order of Sufis was first introduced in India by Shaikh Niamtullah and Makhdum Muhammad Jilani Which of these statements are correct?