the ability to apply. >> reporter: in fact, they said they were advised to try india, even though sandeep both proudly british, born and raised, neither even has family there. >> i just felt as though everything we've been through, this was another obstacle. it wasn't just an obstacle, it was preventing you from moving on, at all. there was no, you know, for me, it was like, where do we turn now. >> reporter: this wasn't a hurdle, this was a brick wall. >> yes, exactly. >> reporter: their local politician theresa may who since become prime minister, wrote a letter of support on their behalf. the couple has now filed legal action against the adoption agency claiming racial discrimination. the agency denies discrimination, saying they properly take into account the profile of children available for adoption and given the disparity between the large number of prospective parents and small number of adoptees, it's appropriate to prioritize those who have the best chance of adopting a child. >> it is absolutely considered best practice and ethical to take race into account. that's different th