"If the woman has a miscarriage or has some health issues after the delivery, she is not taken care of," Mishra added. The researchers also highlighted that touts or middlemen had a big role in the whole business. Nearly 74 percent of surrogate mothers in Delhi and Mumbai said these agents were their primary source of information. "According to (estimates), surrogacy is an industry worth $2.3 billion," Ranjana Kumari said.