Infrastructure
The Kollihills is a sub taluk and forms a part of Namakkal district. Semmedu is the headquarters for the Kolli hills and Semmedu is connected by road to Namakkal and Salem. Nowadays the Bus service is provided up to Arappulishwarar Temple. BSNL (earlier DOT) established the first Telecommunication networks (LDPCO) in 1977 and after wards the Telecom facilities are continuously expanded depending upon the requirements at Kolli hills.
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