The body of one of the jawans was recovered, but there was no trace of five others.
The 102-year-old was given a warm welcome by election staff at the Kalpa booth in Mandi Lok Sabha constituency, which went to polls in the last and seventh phase of the general elections.
Heavy rains continued to lash various parts of Himachal Pradesh, disrupting normal life in lower and mid hills while most of the rivers are in spate due to sudden rise in water level due to rains in catchments areas.