This document defines and discusses different types of surrogacy, including traditional/partial surrogacy where the surrogate's egg is used, and gestational/total surrogacy where donor eggs are used. It also discusses commercial surrogacy where payment is provided, versus altruistic surrogacy without payment beyond medical expenses. The document outlines Indian laws governing surrogacy including the Assisted Reproductive Technologies Bill of 2010 and Surrogacy Regulation Bill of 2016, which aim to balance the rights and interests of surrogate mothers, commissioning parents, and children born of surrogacy.