New Delhi, May 14 -- The Supreme Court on Wednesday expressed concern on branding an entire community of transgenders as "risky" as blood donors, and asked the Centre address their concerns of discrimination.

"Are we going to brand all transgenders as risky and stigmatise them. You cannot say that all transgenders are indulging in sexual activity," said a bench of Justices Surya Kant and N Kotiswar Singh.

The apex court was hearing petition challenging the constitutional validity of Section 12 and 51 of Blood Donor guidelines, 2017, which has imposed a blanket ban on transgender persons from donating blood.

The petition also challenged guidelines issued by the National Blood Transfusion Council (NBTC), which prevented transgender perso...