Seamless communication network & technology system in CCL, Ranchi

摘要

Central Coalfield Ltd. (CCL), which has its Corporate Head Qqtr. at Ranchi, has about One hundred four coal mines situated in far remote locations in six rural districts of Bihar. DOT's Telecom Network has not spread well in these remotes locations. Hence, about ten years ago, One A-Mart (Multi Access Radiobased Telecommunication) was established in CCL for communications with these remote locations. This A-Mart is suffering from noise frequent call-cutting etc. And the technology is also quite old. Recently Digital technology based MART is being established which technically more superior.