Sudha Varghese is a member of the Notre Dame Sisters Congregation. She is active in 50 villages of Danapur and Phulwari Sharif area, about 40 km from Patna. She was awarded a Padma Shri in 2006 and is popularly known as Cycle Sister because in this jet age, she is heralding a revolution on a cycle. Her only belongings are her cycle and a bag. She has been living and working at a village named Jamsaur in Patna District. For the past 20 years, Sudha Varghese, has untiringly devoted herself to the service of Musahars (Musahars are the rat-eating community. They are also the agricultural labourers and are very hardworking people, who are completely landless and marginalised) and the Dalits of Bihar and Uttar Pradesh. She runs centres for Musahar girls and works on bringing them into mainstream society. Dr. Varghese’s organisation called ‘Nari Gunjan’ works for empowerment of women and girls from Dalit communities.
The organisation runs 50 educational centres, conducts over 100 non-formal, functional literacy centres for the Mahadalit communities, particularly for the Musahars. She fights court cases for those against whom crimes have been committed.