In July 2019, a team of historians found new menhir, perhaps the largest-ever recorded in Kerala, on the Pothamala hills in Udumbanchola taluk on the Kerala-Tamil Nadu border. According to them, Pothamala hills housed hundreds of cobbled stone structures, pointing to the existence of a structured graveyard of a prehistoric civilization.[4]
As of 2011 census, Udumbanchola village had a population of 10,064 with 5,100 males and 4,964 females. Udumbanchola village spreads over an area of 31.79 km2 (12.27 sq mi) with 2,796 families residing in it. The average sex ratio was 982 lower than the state average of 1084. In Udumbanchola, 9.6% of the population was under 6 years of age. Udumbanchola had an average literacy of 81.6% lower than the state average of 94%; male literacy was 85% and female literacy was 78%.[6]
Udumbanchola taluk has administration over 18 revenue villages. Nedumkandam is the taluk headquarters. In 2013, separate Idukki taluk was carved out from Udumbanchola and Thodupuzha taluks for the ease of administration. The constituent villages in Udumbanchola taluk are:
^Kerala, Directorate of Census Operations. District Census Handbook, Idukki(PDF). Thiruvananthapuram: Directorate of Census Operations, Kerala. p. 58,59. Retrieved 14 July 2020.