Villiampakkam Krishna Rangarajan is an Upanyasakar, a Writer and a Bruhaspathi who has done Vedhadhyayanam - Krishna Yajur Vedham, Pancharathra Agamam and Divya Prabandham. He has been working in several temples which are at Valparai, Madurantakam, Delhi, Kolkattaa, Mylapore etc for nearly 30 years. He was the founder of Sri Hari Nursery and Primary School near Madurantakam. He was secretory of SIVA – NGO for 15 years, One of his Self Help Group received Best SHG reward. At present he has his own Non-Governmental Organisation i.e.,    HARI SARANA SEVA TRUST (HARI SARANAM) and is doing services to the needy through this NGO. He has done renovation of 16 Bhajana Kovilgal, 4 tempes and many sampradaaya services through HARI SARANAM. People fondly address him as Hari Saranam Swamigal. He has also received Harisarana Seva Thurantharar award.He was also awarded Sri.U.Ve. Raghava Iyengar award by Madurantakam Ilakkiya cholai. Recently he recieved a Doctorate award in recognition of his Social Service from US based Global Human Peace University.

• Social Activist & Temple Renovator