In Zodiac there are total 27 Nakshatras (Constellation) start from Ashwani to Ravati and and each of them divided further divided into 4” Pada or Chran “. With in 27 constellations there are six Nakshatras name Ashwani, Ashlesha, Magha, Jayestha, Moola and Ravati are also called Mool Nakshatra. They rulled by Planet Mercury and Ketu further they are joint or meeting same point called knot or “Gand “. If the Moon falls in between these six Nakshatras during the birth of a child then we called the child is born under Gand Mool Nakshatras. When the child is born basically in these constellation faces lots of problem and obstacles in their life and at the same time also effect his/her mother, father and there grand parents depends upon different chran of these constellation. So the certain rituals needs to be performed after 27th day after the child birth.