Rajendar Tiku was born in Wadwan, 1953, a remote village in the mountainous landscape of Jammu and Kashmir, the northern most state of India, in 1953, in a Kashmiri Pandit family. His graduate studies were at the Sri Pratap College, Srinagar, where he founded the Sri Pratap College Artists' Association and Tiku, simultaneously, studied clay modeling and stone carving, by attending the evening classes of a five year course conducted by the Institute of Music and Fine Arts in the city, which he completed in 1978. The course offered Tiku exposure to the art of ancient cultures and modern masters. After completing B.Sc., Tiku graduated in law from the Srinagar University, but continued attending the various art camps organized by the Jammu and Kashmir Academy of Art, Culture and Languages. Rajendar Tiku started his career as a teacher at the Burn Hall School, Srinagar, but moved, shortly afterwards, to the Institute of Music and Fine Arts, his alma mater, as an artist cum teacher. He lives in Jammu and Kashmir.
Rajendar Tiku has received both the junior (1993–95) and senior (1997–98) fellowships of the Ministry of Human Resource Development, the Government of India; received National Award for Sculpture in 1993 and 8th Triennial India (International) Award for Sculpture, 1994. He is also a recipient of a grant from the Pollock-Krasner Foundation, New York, 2005. Tiku has been invited to many sculpture workshops in places like Switzerland, Israel, Russia, Egypt, Thailand, Cambodia and Turkey. In 2013, the Government of India honored Rajendar Tiku with the fourth highest civilian award, Padma Shri. He received Gottlieb Foundation (New York) Individual Grant for advanced work in Sculpture in 2015. Tiku has also published many articles in local magazines and journals. He has also been credited with using Śāradā script, a dying script of the Kashmiri language.
Rajendar Tiku has had solo and group exhibitions: Metaphors in Matter (2008) held at Gallery Espace, New Delhi, India; Bronze (2006) organized by Lalit Kala Akademi, held at Gallery Espace, New Delhi, India; Sculpted Images (2003) India Habitat Centre, New Delhi, India; Solo Exhibitions (1990, 1992, 1995, 1998 and 2003) held at Art Heritage, New Delhi, India; National Exhibition of Art (India) organized by the All India Fine Arts and Crafts Society; International Exhibition of Graphic Prints; Bharat biennial of Contemporary Indian Art; 7th and 8th Triennial, India.
Tiku has been practicing since 1979. He has also taught sculpture at the institute of Fine Arts, Jammu and Srinagar (J&K) and has been a visiting Professor at Musashino Art University, Tokyo. All through these years he has tried to explore the possibilities vis-à-vis material and thought through his work.