There are no closed and abandoned diamond mines. Panna Diamond mine is only diamond producing mines in the country which is under operation.
Geological Survey of India (GSI), an attached office of Ministry of Mines, has been conducting exploration of Kimberlite Clan Rocks (KCR) which is the source of diamond.
State-wise and year-wise details of investigation programme taken up by GSI for KCR during the XII Plan period and the details of programmes taken up during Current Field Season 2015-16 are given in Annexure-I and Annexure-II respectively.
Annexure-I
Details of investigation programmes taken up by GSI for Kimberlite Clan Rocks during XII Plan period
Annexure-II
Details of Programmes taken up during Current Field Season 2015-16
This information was given by Minister of State Sh. Vishnu Deo Sai in reply to a question in Lok Sabhatoday.