Here is the link to apply for Katha online.
http://bbmp.gov.in/khata

BBMP Katha verification portal
http://asbpa.bbmp.gov.in/newpid/frmPidDet.aspx

Cost of Land and Construction is not differentiated while considering taxation. I have a plot with small house and i'm getting tax benefit for the whole home loan interest & principle paid.
Another aspect to this is that there is no 1.5Lakh limit, if you LET-OUT this property, ofcourse you will have ...

In the similar situation, what i did is as follows :
- Single Separate electricity meter for all motors (from Bore to OHT & Sump to OHT).
- One single OHT for all the portions, but separate pipe line from OHT to individual flats.
- Installed Water meter for each of these individual pipe lines.
- For ...