sentences:  In 1995, its consumer cooperative society and micro-credit programme, 'Usha' (literally meaning light), ensured that the Government of West Bengal altered the state's cooperative law to register it as a sex workers cooperative, instead of a 'housewives cooperative' under the prevalent state laws.By 2006–2007, small saving of its 5,000 members lead to an annual turnover to , with loan of distributed amongst its members, which also helped break the monopoly of local moneylenders, who would charge interest rates of up to 300%.The DMSC hosted India's first national convention of sex workers on 14 November 1997 in Kolkata, titled 'Sex Work is Real Work