The founder of the Chandela Rajput state (in Bundelkhand) was:

The Chandela dynasty, which ruled Bundelkhand (Jejakabhukti) in central India, was founded by Nannuka in the early 9th century CE (around 831 CE).

About the Chandelas:

• They ruled the region of Bundelkhand, in present-day Madhya Pradesh and Uttar Pradesh, from the 9th to the 13th centuries.
• The region was then called "Jejakabhukti", after the Chandela ruler Jayashakti (Jeja).
• Their important centres were Khajuraho, Kalinjar, Mahoba and Ajaygarh.
• They were at first feudatories of the Gurjara-Pratiharas, and later became independent.

Important Chandela rulers:

• Nannuka: the founder.
• Yashovarman (about 925-950 CE): made the Chandelas powerful; he captured the fort of Kalinjar, and built the Lakshmana Temple at Khajuraho.
• Dhanga (about 950-1002 CE): declared independence from the Pratiharas; built several temples at Khajuraho.
• Paramardi (Parmal): fought against Prithviraj Chauhan and later against Qutbuddin Aibak, who captured Kalinjar in 1202-03.

The Khajuraho temples:

• The Chandelas built the famous temples at Khajuraho, in the Chhatarpur district of Madhya Pradesh, between about 950 and 1050 CE.
• Of about 85 original temples, about 25 survive.
• They belong to Hinduism (Shaiva and Vaishnava) and Jainism.
• They are famous for their Nagara-style architecture and their beautiful sculptures.
• They were inscribed as a UNESCO World Heritage Site in 1986.

Legends:

• According to legend, the Chandelas were descended from the Moon god (Chandra) and Hemavati, the daughter of a Brahmana.
• The heroes Alha and Udal, famous in the folk ballads of Bundelkhand (the "Alha Khand"), were generals of the Chandela king Paramardi.

Why not the other options?

• ✗Yashovarman and Dhanga were later Chandela rulers.
• ✗Vidyadhara was a later Chandela ruler.