For the Sun, it is the Rama incarnation; for the Moon, the Krishna incarnation; for Mars, Narasimha; for Mercury, Kalki; for Jupiter (Guru), Vamana; for Venus, Parasurama; for Saturn, Kurma incarnation; for Rahu, Varaha incarnation; and for Ketu, it is the Matsya incarnation. This can be understood from the sloka below, as these forms of incarnation are the presiding deities of those respective planets. ramavatara: Suryasya Chandrasya Yadunandana:|Nrisimho Bhumiputrasya Saumya: Somasutasya Cha ||Vamano Vibhudhendrasya Bhargavo Bhargavasya Cha |Kurmo Bhaskaraputrasya Saihikeyasya Sookara: Ketormeenaavatarascha ||Ramavatara: Suryasya Chandrasya Yadunandana:|Nrisimho Bhumiputrasya Saumya: Somasutasya Cha ||Vamano Vibhudhendrasya Bhargavo Bhargavasya Cha |Kurmo Bhaskaraputrasya Saihikeyasya Sookara:Ketormeenaavatarascha || Important Notes: There is also a traditional belief that worshipping each Perumal of the Divya Desams located in Nava Tirupathi will remove the respective planetary defects (Graha Dosham). The temple legend (Sthala Puranam) also states this. Thirukkurugoor – To remove Guru Dosham Irattai Tirupathi – Thiruttholaivilli Mangalam – To remove Rahu Ketu Dosham Thiruppulingudi – To remove Budhan Dosham Thentirupperai – To remove Sukra Dosham Srivaikundam – To remove Surya Dosham Thiruvaragunamangai – To remove Chandra Dosham Thirukkulandhai – To remove Sani Dosham. Thirukkoloor – To remove Mangala Graha (Mars) Dosham.