A  federal indictment  against the leaders of a Brooklyn nonprofit, which takes in $200 million in public contracts, sheds light on a web of alleged corruption which could also bring down prominent city Democrats. BHRAGS Home Care Inc. and nine related nonprofits are mired in fraud, including delinquent IRS filing notices and warnings from the city Department of Homeless Services. However, they continue to receive millions from the city and lawmakers, having been paid more than $200 million by