Nanda (also Nandha and Nandhra) is a Tarkhan (Punjab), Rajput and Khatri surname. Various clans of Tarkhan (Punjab), Lohar, Gujjar, Ahluwalia, Khatri, Rajput, Sonar, Lubana, Tonk Kshatriya/Chhimba tribes have a close genetic and ancestral relationship with each other, and together they are the descendants of ancient Kamboja/Kamboh/Kamboj tribe . Same is the case of Nanda clan.

Gujjar Clan, Kamboj Clan, Lohar Clan, Tarkhan Clan,: Nanda
Distribution Punjab (Pakistan), Punjab (India), Haryana, North-West Frontier Province, Balochistan, etc.
Descended from Indo-Scythians(Some people and scholars claimed Chechen, Georgian, Abkhaz)
Religion Islam, Sikhism, Hinduism
Languages Punjabi, Haryanvi, Rajasthani, Urdu, Balochi
Surnames Nanda, Nandhra, Nandey, Nandhrah, Nandra, Nandhar, Nandharah, Nandhera, Nandha, Nandan, Nandal, Wattu, Wattoo

Read more about Nanda:  Among Kamboj People, Among People of The Tarkhan (Punjab) Tribe, Connection With Other Ramgarhia, Notable Nandas