Rajakaluve Development to Be Completed Before Monsoon: GBA Chief Commissioner

Greater Bengaluru Authority (GBA) has directed officials to complete ongoing stormwater drain (rajakaluve) development works before the monsoon. The focus is on lake connectivity, flood prevention, and nature-based solutions.

Key Details:

• Directed by: Maheshwar Rao, Chief Commissioner, GBA

• Objective: Complete drain development works before pre-monsoon rains (May)

• Focus Areas: Flood prevention, lake rejuvenation, and sustainable drainage systems

Major Projects and Funding:

• NDMF Fund: ₹175 crore

• KWSRP (World Bank-assisted): ₹2000 crore

• Works include rajakaluve development and lake-to-lake connectivity

Key Instructions Issued:

• Accelerate ongoing works and ensure completion before monsoon

• Strengthen stormwater drain connectivity between lakes

• Implement nature-based solutions for water treatment and flood control

Nature-Based Solutions Focus:

• Prevent sewage entry into lakes

• Replicate wetland model (Jakkur Lake) in other lakes

• Use plants like Colocasia and Canna indica for natural water filtration

Location-Specific Updates:

• Srinivasapura to Kogilu Lake (1.1 km drain):

Wetland development to prevent sewage inflow

• Installation of sluice gate at Kogilu Lake before monsoon

• Srinivasapura Lake:

Rejuvenation work to be expedited

• Bellahalli to Kannur (660 m):

New stormwater drain under construction to address flooding

• Kannur Village:

470 m RCC retaining wall work in progress

• Chokkanahalli to Agrahara Lake (670 m):

New drain construction underway with temporary water diversion

• Rachenahalli Main Road (600 m):

Rajakaluve work progressing rapidly

• Nagawara Junction:

निर्देश to construct drain along road to prevent waterlogging

• Dasarahalli Main Road:

निर्देश to develop buffer zone along drain into pedestrian-friendly public space

Affected Groups:
Residents in flood-prone areas, commuters, and communities near lakes and stormwater drains

Important Dates:
Before pre-monsoon (May 2026)

Official Authority:
Greater Bengaluru Authority (GBA)