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## **Translation:**
**Composed by Somasen Bhattaraka**
**72-73**
They say that inhaling air through the right nostril is called **Purvak** and exhaling air through the left nostril is called **Rechak**. Pressing air into the stomach is called **Kumbhak**.
**74**
Inhaling through the left nostril and filling the stomach with air is called **Purvak**. Exhaling through the right nostril is called **Rechak**. Chanting with **Kumbhak** is called **Pranayama**.
**75**
Holding the tip of the nose with all five fingers of the hand is called **Pranava Mudra**. This mudra destroys all sins for both **Vanaprastha** and **Grihastha**.
**76**
Holding the tip of the nose with the little finger, ring finger, and thumb is called **Omkar Mudra**. This mudra is performed by **Yatis** and **Brahmachari**.
**77**
**Pranayama**, **Achman**, **Sandhyavandan**, and **Pindadaan** should be performed on the banks of a river or other sacred water body. Alternatively, they can be performed in a clean place in one's own home.
**78**
All rivers are considered impure during the **Simha Sankraman** and **Karkat Sankraman**. Therefore, the aforementioned practices should not be performed on their banks during these periods. However, there is no harm in performing these practices on the banks of rivers that flow directly into the sea.
**79**
There is no impurity during **Upakarma**, **Utsarga**, morning bath, **Chandragraha**, and **Surya Graha**.