BBMP has published the Rajakaluve Maps for reference. The data uploaded is arranged in three folders Bangalore East, Bangalore North and Bangalore North Add. Each of these folders are further coordinated by village name. The documents are in Kannada and not adjusted for web viewing, yet if there is a storm water drain passing across a survey number the file name contains the survey number. Some of the village level folders also contain the village map which gives you a rough concept of the SWD. Its difficult to decipher these maps and if you find your survey number its better to get in touch with the revenue department for more information.
Questions about rajaluve/SWD, lakes etc are most asked and this context answers that. But around Bangalore if you want buy any sites ( surrounding villages ) you should also test CDP ( comprehensive development plan) of Bangalore done by BDA. To verify this, go to BDA after 3.30, second floor TPM section. There you can see the maps by yourself, but you must know the village name. Since near lakes there will be valley zone or sensitive zone for which the BDA must give NOC and also NOC from lake development authority.
Docs to check before buying an apt /site
1. parent deed
2.bld. plan sanction.
3.khatha certificate.
4.khatha extract (there is nothing calle B khatha)
5. encumbrance certificate
6.commencement certificate ( for apts)
7.occupancy certificates ( for apts)
8.compounding fee ( fees paid for regularising any deviation from sanctioned bld. plan)( for apts
Inhabitants of Bangalore city face water logging problems repeatedly during the monsoons. Especially in low lying areas such as HSR Layout, Koramangala etc. get sealed out due to this raging waterlogging. The key to this problem puts some of us on a larger peril as it can lead to the devastation of houses/flats bought from your hard-earned money and assertion of your plot/land as illegal. If you have a property in Bangalore or planning to buy one, you must read the article below.
To understand the history and background of Rajakaluve, we have to go back to history. Bakashe topography plays a major role in the formation of the Rajakaluves. Bangalore is located in the heart of the Mysore plain at an elevation of 900 meters (3020 ft). Since the high rise, water has become a scarce service in the region. To solve this problem, about sixteen hundred lakes were established. Lakes play an important role in recycling groundwater. If we trace the history of the creation of these lakes, it points to Kempe Gowda, Wodeyars and Britain. The city once had 280 to 285 lakes. According to government records, there were 51 pools in China in 1985. There are currently 17 lakes in Washington. The average rainfall of Bakashe is 859 mm. One can have two rainy seasons in Pakistan. One of them is the early rainy season. The first rainy season is due to the southwestern soldiers running from June to September. The second rainy season is for the North East Monsoon in December. Rainfall refreshes the lakes every year. The Center for Environmental Studies and IISC Bangalore conducted several types of research on the following items.
- Areas with lake lakes
- Water collection sources
- Flowers and animals
- Number of migratory birds
Those research papers conclude that the area of the Water bodies and their collected city sources has decreased from 2,324 hectares to 1,005 hectares from 1973 to 2005. At the same time, there is a lot of growth in the downtown area. from 18,650 hectares to 30,476 hectares. This clearly means that some of these sites are built in the area of water bodies that may be dried out by either a swamp or a waterfall / Rajakaluve. The Lake Development Authority was established by Govt. of Karnataka in 2002 to maintain lakes in Bangalore and surrounding areas. The Lake Development Authority has released maps of the reservoirs and the Rajakaluves. The Karnataka government has ratified the country’s national records across Bangalore. They look everywhere for lakes, Storm Water Drains and their exact location on a google map. They’ve taken the old maps that are there and shot those maps on google maps. These maps are neither original nor editable. When it rains, water will have a natural tendency to travel along its natural paths. For that reason the Kaluves are designed so that they can collect water naturally. Natural Waterways are likely to be converted into storm water drainage (first / second / current) in the future, because they have the required radios for stormwater drainage. Therefore, when there is excessive rainfall the older SWDs, it is natural to leave some space on both sides of it. In light of this, the BBMP has determined that the water catchment area will be 50 meters from both sides of the SWD. The same case applies to pools. All this stormwater is collected from the lake. The BBMP has brought an amendment not to build houses, houses or other commercial buildings within 80 meters of the lakeside boundary. The above information clearly explains why one should not go to the nearest 50 meters accommodation from Rajakaluvesand 75 meters from the lakes. To check if your apartment or building is located in a dangerous Zone, click on the link and click the link. Please follow the steps to use the tool.
- Find your property on the map by using the search box provided.
- Right-click (or long-press if a hand-held item is found) at any location you want on the map to display options as a context menu.
- Click on ‘Upload Revenue Map’. This uploads an incoming map containing survey parameters, pools, streams etc.
- To measure the distance between the desired location and specify a pool or stream, right-click / long-press on any desired location and click the “Enter Ruler” option.
- Drag the handler and mark the distance shown.


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