BillDesk

BillDesk is an Indian online payment gateway company based in Mumbai, India.
As of 2015, the company is worth USD 1 billion.
Background.
India's online payment market is estimated to be worth around USD 1 billion. It is currently growing at the rate of 50% per year. 
In 2015, cashless online payments have surpassed paper currency payments for the first time.
It was estimated that in the year 2015, 70% of India's online billing transactions were conducted through BillDesk.
BillDesk is a financially independent company and is monitored as a participant under the Payments and Settlements Systems Act, 2007 (Act 51 of 2007) that is regulated and supervised by the Reserve Bank of India.
History.
BillDesk was founded by Indian entrepreneurs M.N. Srinivasu, Ajay Kaushal and Karthik Ganapathy in 2000. The three previously worked at American accounting firm Arthur Andersen LLP. 
Fundraising.
In 2001, BillDesk received its first investment from SIDBI Venture Capital Ltd and Bank of Baroda.
In 2006, Clearstone Venture Partners and State Bank of India jointly invested $7.5 million in the company.
In 2012, US-based PE firm TA Associates made an undisclosed investment in BillDesk.
In 2015, BillDesk received an investment of USD 200 million from General Atlantic and Temasek thereby giving the company a total valuation of USD 1 billion dollars. General Atlantic remains the largest shareholder in the company with 35% ownership in the company.
Business.
Billdesk is one of the few profitable Fintech companies in India.