The occurrence of your pukhraj stone is widespread, with notable deposits found in a variety of regions world wide. Sri Lanka or Ceylon, generally often called the "Island of Gems," offers exquisite yellow sapphires generally known as "Ceylon Sapphires." Australia and Madagascar are other major resources of high-excellent yellow sapphires. https://medium.com/@thegemjournal/best-places-to-buy-sri-lankan-pukhraj-ea919f2bd00d