If they start using banks and digital payments, one can build credit score and issue loans to them, so they can develop their business. That is not possible today.
Loans for what? Some people in many fields should NOT get a loan. It will make matter worse...broke and indebted to a bank. Not everyone is gonna make a $1 million a year.
Women from rural areas can start a small business with a loan of 1-5 lakhs INR (~10k $). You should read more. Here is one recommendation http://a.co/fAC8YSQ