If you are talking about INR then 10 lahs is equal to 1 million 100 lakh is equal to 1 crore (10 million) 1000 lakh (10 crore) is equal to 100 million and 100 crore is equal to 1 billion. read more
One million and one billion are the terms used in international numbering system, whereas lakhs and crores are terms used in the Indian number system. The Indian numbering system is used in India as well as in Bangladesh, Nepal and Pakistan. read more