The BMC has set aside  Rs 226 crore for nullah cleaning this year, which includes Rs 46 crore only for the Mithi river.  There are 309 major drains and four rivers with an approximate length of 290 km. The city has 508 small nullahs that are 605 km long. Last year, around 4.63 lakh tonnes of silt was removed from nullahs, at the cost of Rs 162 crore.

This year, the BMC in its budget of 2023-24 set aside R90 crore for major nullahs and  Rs 90 crore for minor nullahs. Apart from nullahs and rivers, there are around 2,004 km roadside gutters of which work is given at wards/zone levels. The corporation has already floated a tender of Rs 87 crore for the period of two years, with a target of silt removal of 2.70 lakh tonnes per year, 70 per cent before monsoon, 20 per cent during rains and 10 per cent later.