Ratha Saptami Snan is considered auspicious in Magh Mela and Kumbh Mela snana. Surya namaskar and Surya Argh are also auspicious. While taking a bath one should chant following SNANA(Bath) mantram Yadhyajjanma kritham paapam maya sapthasu janmasu Thanme rogancha sokancha maakari hanthu sapthami; Yetattjanmakritham paapam yachha janmaantharaarjitham Mano-vaakkayajam yachha gnathagnathancha yathpunaha; Ithi sapthavidham paapam snaanaanme saptha sapthake Sapthavyaadhi-samaayuktham hara maakari Sapthami… After bath one should do sandhyavandana and Pooja vidhi vidhana and give Surya Arghya as well. While giving Arghya the following mantra to be recited. Saptha saptha hahapreetha sapthaloka pradeepana Saptamee sahitho devaa gruhaanaarghyam divakaraa One should draw Surya Ratha Rangoli at Pooja room and outside. ಸ್ನಾನ ಮಂತ್ರ ಯದ್ಯಜ್ಜನ್ಮಕೃತಂ ಪಾಪಂ ಮಯಾ ಸಪ್ತಸು ಜನ್ಮಸು | ತನ್ಮೇ ರೋಗಂ ಚ ಶೋಕಂ ಚ ಮಾಕರೀ ಹಂತು ಸಪ್ತಮೀ | ಏತಜ್ಜನ್ಮಕೃತಂ ಪಾಪಂ ಯಚ್ಚ ಜನ್ಮಾಂತರಾರ್ಜಿತಂ | ಮನೋವಾಕ್ಕಾಯಜಂ ಯಚ್ಚ ಜ್ಞಾತಾಜ್ಞಾತಂ ಚ ಯತ್ಪುನ: | ಇತಿ ಸಪ್