Option b is the correct answer Oila-i-Kuhna Masjid is a mosque located in the Purana Qila (Old Fort) in Delhi, India. It was built by Sher Shah Suri in 1541. The mosque is a single-aisled structure with a courtyard. The mihrab (prayer niche) is made of red sandstone and is decorated with intricate carvings. Important Tips Moti Masjid located in the Agra Fort, India. It was built by Shah Jahan in 1653. The mosque is a small, square structure with a single dome. The mihrab is made of white marble and is decorated with intricate carvings. Jama Masjid is a mosque located in Old Delhi, India. It is the largest mosque in India and one of the largest mosques in the world. It was built by Shah Jahan in 1656. The mosque is a red sandstone structure with three large domes and four minarets. Rang Mahal is a palace located in the Red Fort in Delhi, India. It was built by Shah Jahan in 1637. The palace is a two-story structure with a red sandstone exterior and a white marble interior. The palace is decorated with intricate carvings and paintings.