Sadna(Sadhana) is spirital practice, which may include austerities like fasting, vow of silence, rituals like going to temple, saying prayers, chanting Lord's name. Sewa is service of people. Satsang is company of holy people. This is in the form of listening to discourses on holy scripture and/or reading books on holy scriptures.
Seva Bharati was created in 1979.
Prashansaniya Seva Padakkama was created in 2000.
Shoshit Seva Sangh was created in 2004.
Seva Novgorodsev was born on 1940-07-09.
Videsha Seva Padakkama was created in 1981.
Karyakshama Seva Vibhushanaya was created in 1972.
Karyakshama Seva Padakkama was created in 1972.
Birsa Seva Dal was created in 1967.
Seva Bharati Mahavidyalaya was created in 1964.
Uttama Seva Padakkama was created in 1981.
Prashansaniya Seva Vibhushanaya was created in 2000.
Vishista Seva Vibhushanaya was created in 1981.