Advertisement Seven Sisters Development Assistance (SeSTA).Last Date: 15/06/2020. Seven Sisters Development Assistance (SeSTA), a non-governmental, not-for-profit organization has released a notification for the recruitment of 3 Integrator & Executive vacancies.1. Executive (Social Media expert and Graphic designer)No of posts: 1 Pay: Rs 30,000/- to Rs 40,000/- per month as per years of relevant experience.Age: The age limit for applying