Answer : 4. "Radhika Sen"
Explanation :

Major Radhika Sen, Indian peacekeeper in the Democratic Republic of Congo, received the UN Military Gender Advocate of the Year Award for 2023. While serving with MONUSCO, she led engagement platoons, established community alert networks and conducted mixed gender patrols. Her efforts included providing education and training to locals, empowering women and promoting a safe, inclusive environment.