New Delhi, Oct. 23 -- The Delhi government has approved projects worth Rs.622 crore to strengthen the city's flood management system, including a 4.7-km wall along the Yamuna and three projects to tackle the problem of silt piling up in drains.

The decisions were taken at the 40th meeting of the Flood Control Board, chaired by Irrigation and Flood Control Minister Parvesh Sahib Singh at the Delhi Secretariat on October 23.

Of the approved works, Rs.99 crore has been allocated for a 4.7-km reinforced cement concrete (RCC) wall along the Yamuna, from Magazine Road drain to the Old Railway Bridge. The wall is expected to protect low-lying areas when the river's water level rises.

The Board also gave in-principle approval to three biominin...