Sulabh International areas the only toilet option for two in Sulabh . Most Indians slum housing lacks basic facilities such as toilets . World Health Organization : No concrete is used and the soil naturally turns waste into fertilizer over time . Open working to provide cheap , sustainable toilets for millions .
Sulabh International areas the only toilet option for two in Sulabh . Most Indians slum housing lacks basic facilities such as toilets . World Health Organization : Open working to provide cheap , sustainable toilets for millions .