Tribhuvandas Purushottamdas Luhar, better known by his pen name Sundaram, (22 March 1908 – 13 January 1991), was a Gujarati poet and author from India.

He was born on 22 March 1908 at Miyan Matar, Bharuch, Bombay Presidency, British India.

He completed his primary education in local school of Matar and five grades in English medium at Amod, Gujarat.

[1][2][4] Koya Bhagatni Kadvi Vaani ane Garibo na Geeto (lit.

Bitter tongue of Koya Bhagat and Songs of the Poor) (1933) was his first poetry collection followed by Kavyamangala (lit.

They are Hirakani ane Bijee Vatu (1938), Piyasi (1940), Unnayan (1945, republished Kholki and Nagarika with more stories), Tarini (1978), Pavakna Panthe (1978).

He received Narmad Gold Medal in 1955 for his poetry collection Yatra and Mahida Prize in 1946 for criticism.

He received Sahitya Akademi Award for Gujarati writers in 1968 for his work of criticism, Avalokan.