Gupta Period

**Pair 1 is correctly matched:** The Ajanta Caves, located in Maharashtra, are famous for their Buddhist rock-cut sculptures and paintings, including the grand image of Buddha's Mahaparinirvana in Cave 26. **Pair 2 is not correctly matched:** The huge image of Varaha Avatar of Vishnu is sculpted on the rock at Udayagiri Caves, near Vidisha in Madhya Pradesh, not at Mount Abu. **Pair 3 is correctly matched:** Mamallapuram, also known as Mahabalipuram, is famous for its rock-cut sculptures, including the iconic "Arjuna's Penance" or "Descent of Ganga" carved on two massive boulders.

**Option A is correct:** Ajanta Caves lie in the gorge of the Waghora River. **Option B is incorrect:** Sanchi Stupa is located on a hilltop in Sanchi, Madhya Pradesh, and is not situated in a gorge. **Option C is incorrect:** Pandu-Lena Cave Shrines are situated near Aurangabad, Maharashtra, and are not associated with any specific gorge. **Option D is incorrect:** Amaravati Stupa is located on the banks of the Krishna River in Andhra Pradesh, not in a gorge.