Hollaback! is an international initiative that aims to spread awareness about street sexual harassment. It is currently active in 16 countries around the world. In India, Hollaback! operates in Delhi, Mumbai, Chandigarh, and the Chennai chapter was launched in December last year. Aishwarya S, a project associate with Hollaback! Chennai talks about street sexual harassment and what she has learnt and done as part of Hollaback! Chennai.