An extradition treaty was signed by Indian Health and Family Welfare Minister Ghulam Nabi Azad and Prince Naif bin Abdul Aziz the Saudi Arabian Second Deputy Prime Minister and Interior Minister.[30] Four agreements pertaining to transfer of sentenced persons, cultural co-operation, Memorandum of Understanding between Indian Space Research Organisation and King Abdulaziz City for Science and Technology for co-operation in peaceful use of outer space and joint research and information technology were also signed in presence of the two leaders. Four other agreements were also signed the day before, including one by Tata Motors to supply school buses worth US$80 million.[citation needed]