This group in West Bengal advocates for the rights of sex workers at local and national levels in India. SMS has been actively opposing a harmful new anti-trafficking bill. The group interacts with government departments to ensure access to social entitlements for sex workers and to secure their participation in advisory and decision-making bodies that address issues relevant to them and their families. The group runs 20 Self-Regulatory Boards, an effective community-led anti-trafficking mechanism that has been endorsed by the Supreme Court of India