unit in the Indian numbering system equal to 100,000 (written as 1,00,000 in the Indian digit grouping convention)
Lakh is the number 10^5, obtained by multiplying ten-thousand by 10, also named one hundred thousand. The word lakh is used in India. It is written as 1,00,000 in India and 100,000 in most other countries. 100 lakh is one crore.