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 million in 2015-16. Imports from Chad were a mere $150,000 in 2011-12, grew sharply to $157.15 million the following fiscal, before declining by 73% and 52% in the following two fiscal years respectively. Bilateral figures do not reflect the full extent of Chad's imports from India, as the country procures several Indian goods from Dubai, Cameroon and Nigeria. In the 2015-16 financial year, India began importing crude oil from Chad resulting in a 411% increase in imports. Chad's exports to India grew from $62.77 million in 2010-11 to $320.87 million in 2015-16. Crude oil accounted for 97% of the country's