What is the strongest Sun placement in astrology?

In Vedic astrology, the Sun (Ravi) is designated as the soul-significator (Atmakaraka) planet, and also the Sun rules over matters such as father, government, prestige, authority, etc. In a horoscope, the Sun is exalted at 10 (ten) degrees in the Aries sign, whereas it becomes debilitated at ten degrees in the Libra sign. The Sun is the lord of its own, meaning Krittika, Uttara Phalguni, and Uttara Ashadha nakshatras, and all these three nakshatras are Tripada (three-footed) nakshatras, whose first quarter falls in fire element signs while the other three quarters fall in earth element signs; the Sun in the tenth house is designated as directionally strong (Digbali), and the Sun's own sign is Leo.

When the Sun is in the Aries sign, in the tenth house in the birth chart, as well as Vargottama in the Navamsha chart, or placed in its own nakshatra, the Sun is understood to be strong in the main birth chart (Lagna Kundali); similarly, when the Sun is in the Aries sign in the first house (Lagna Sthana) of the birth chart, it also becomes strong. A strong Sun bestows qualities like administration and management, as well as leadership and decision-making capacity, and knowledge.