Chad Basin depth of . Due to heavy pumping, since the start of the 1980s the water levels in both aquifers has been lowered, and some wells no longer function. There is a third, much lower, aquifer in Bima Sandstones that lies at a depth of . Both the current and historical areas of the basin and the mega-basin contain concentrations of fossils. Fossil-fuels deposits in the area are estimated to exceed a trillion barrels in reserves. The Lake Chad Basin Commission was set up in 1964 by Cameroon, Chad, Niger and Nigeria, the four countries that contain parts of Lake Chad.
Chad–India relations of mistreatment of Indian workers by local employers and authorities have been reported. Almost the entire Indian community in Chad was evacuated by the High Commission in Abuja following rebel attacks in N'Djamena in February 2008. The community returned to the city after the end of the violence. Chad–India relations Chad–India relations refers to the international relations that exist between Chad and India. The High Commission of India in Abuja, Nigeria is concurrently accredited to Chad. India also maintains an Honorary Consulate in N'Djamena. Chad has no diplomatic mission in India. Relations between Chad and India have witnessed significant growth