Bill Gates, accompanied by his wife Melinda Gates, landed at Zia International Airport around on Monday Morning . In his first ever visit to Bangladesh he spent a very busy day before he left for India , Monday night. Bill Gates promised more investments in Bangladesh Bill Gates met Prime Minister Khaleda Zia, had a roundtable discussion with the ministers for education, information, finance, commerce, science and ICT, communications, and home affairs, and some senior leaders of trade bodies at Dhaka Sheraton Hotel.