This Samskara is performed when a person starts learning Vedas. It can be performed with Upanayana or separately depending upon the age at which the Upanayana samskara is performed.
Nakshatras: All fixed, movable, short, friendly nakshatras and Arudra are considered good.
Tithis: 2,3,5,6,10,11 and 12 are good.
Days: Sunday, Wednesday, Thursday and Friday are good.
Lagna: Benefics should be in kendras and Trikonas and Malefics should be in 3,6,11 houses. 8th house should be vacant.
Proper Tarabala and Chandra bala is an important requirement.