Mirza Muhammad Kamil Dehlavi was the Fourth Martyr and the author of Nuzhat-e-Isna Ashariya (نزھۃ اثنا عشريۃ). This book was a complete response to Shah Abdul Aziz Dehlavi's Tauhfa Ithna Ashari. It was due to this book that he was poisoned by the Ruler of Indian state of Jhajhar.[13]