The basic aim of this smaskara is to cut the hair for the first time for getting pleasant personality, good fortune and long life. After cutting the hair is either mixed with cow dung and buried in Gosala or thrown in a river as these hair is prone to Abhichara or black magic.
Time: Mundana is considered auspicious in 3rd or 5th year. It can also be performed in 7th year or with Upanayana samskara. Even years should be avoided. Chudakarana or Mundana should not be performed to the eldest son or daughter when Sun is in Taurus. If mother is having pregnancy of more than 5 months, then mundane for the child of less than 5 years age should not be done.
Solar months of Makara, Kumbha, Mesha, Vrishabha and Mithuna are considered auspicious.
Nakshatras: All Movable nakshatras (Swati, Punarvasu, Sravanam, Dhanishta and Satabhisha), all short nakshatras (Hasta, Aswini and Pushyami), Mrigasira, Revati, Chitra and Jyeshta are considered good.
Tithis: 2,3,5,7,10,11,13 tithis are auspipcious.
Days: Monday, Wednesday, Thursday and Friday are good.
Lagna: Avoid lagna of Janma rasi and 8th from janma rasi. Consider lagnas and navamsa lagna of benefic planets with benefics in Kendra & Konas and malefics in 3,6,11 houses.
The 8th house should be vacant. Proper
Tara bala and Chandra bala for the child is to be seen.