- Yellow is colour of purity and good health.
- People consider this color to be very important in good tasks like marriages or house inauguration ceremony.
- Yellow colour thread are for puja ritual.
- They are important during Janai Purnima.
- It is a symbol of Lord Vishnu. It indicates creativity and logical ability in one's life. 
- This is said to make the married life happy and successful. It also ensures the long life of the husband of the bride.