Katawal entrusted Chhatra Man Gurung, the second-in-command in the Nepal Army, with taking charge as the Acting Army chief of the national army from the same day.
Katawal is retiring as the army chief from September 9.
Katawal's leave approved
"Wishing you good health and continued progress and prosperity for the people of India," Shah has said, "We deeply value our ties and look forward to further strengthening them."