Option b is the correct answer. Chandayan is a Hindi Sufi romance written by Mulla Da'ud in the 14th century CE. It narrates the story of Lorik, a warrior from Bihar, and Chanda, a princess of Govardhan. The poem is considered one of the first works of Barahmasa literature in Hindi, as it contains a section where Chanda expresses her longing for Lorik during his absence over twelve months. Damodar Kavi was a Rajasthani poet who wrote Padmavati Katha in 1459. It is a poem based on the legend of Rani Padmini, the queen of Chittor, who committed self-immolation to avoid being captured by Alauddin Khilji. The poem mentions the Jauhar of Rani Padmini and her companions. Somnath was a Telugu Brahmin and a resident of Rajahmundry who wrote a book entitled Raga Vibodh in 1610. It is an important text on music that shows the link between the Karnataka Sangita of the South and Hindustani Music of the North. He used the terms Tivra, Tivratara and Tivratama for svaras and Thaat for Mela. He also described 23 ragas and their characteristics. Amir Khusro wrote his famous masnavi 'Ashiqa' on the order of Khizr Khan, the son of Alauddin Khilji. It is a tragic love story of Khizr Khan and Deval Rani, the princess of Gujarat. Khizr Khan fell in love with Deval Rani when he saw her in a temple and married her secretly. However, he was killed by his brother Qutbuddin Mubarak Shah, who also wanted to marry Deval Rani. Deval Rani committed suicide by jumping into a well.