In 1949 Sunderlal Bahuguna came in contact with Mira Behn who was british lady named Madeleine Slade and was inspired by Gandhian Principles and was actively working for india 's independence by changing her name .
Sunderlal also met Thakkar Bappa who was also follower of Gandhian Principles but also a social worker who was continous my working to uplift lower class peoples he had made Bhul Seva Mandal and was Secretary at Hari can Sevak Sangh founded by Mahatma Gandhi.
By meeting these personalities Sunderlal Bahuguna inspired very much and started school for lower Classes peoples due tp which he had to face hate of his many relatives,friends and higher caste peoples but he didn't not skip hs path.
Instead he established Thakkar Bappa Hostel at Tehri for poor students of all communities.
He also led many movements for entery of lower caste peoples (Harijans) in the temples.
Since then he is actively engaged in almost all activities included in construction programme of Gandhi ji.
In 1954 he met Sarla Behn who was also an english lady following Gandhian Principles and was actively working in Kumaon region in india from which she created awareness about environmental destruction in Himalayan forest of State Uttrakhand. Due to Sarla Behn Sunderlal Bahuguna inspired much also .
In 1956 Sunderlal married Vimla Nautiyal a disciple of Sarla Behn and settled life in Silyara village of Tehri Garhwal District. He married Vimla on condition that they would live among rural peoples and established an ashram.
He founded ashram Parvatiya Navjivan Mandal and continued his above mentioned endeavour he also added women's upliftment in his mission.