Slowly release the breath. In some variations, the exhale may follow its own ratio (often a 1:4:2 ratio), but the primary focus of 1x4 work remains the relationship between the inhale and the retention.
The 1x4 Nadi work involves a detailed analysis of the birth chart, taking into account the planetary positions, aspects, and conjunctions in the first and fourth houses. Here are the key steps involved in performing 1x4 Nadi work: 1x4 nadi work