In India when we talk about mathematics then one name comes in mind which is shakuntala devi who was also famous for human computer by nickname. Because her extraordinary skill solve the complex arithmetic problems without any notepad in short period of time. She was born on November 1929 in Bengaluru in the Indian state of Karnataka. Because of her brilliant mind, shakuntala could do addition, division, multiplication, square root and cube root in her finger without any notebook. Devi also won the title of women in 1969 by Philippines university and her name is add in the guiness book of world record.