Here's a quick Zap sheet put up link to stuff I use on the fly.I use this for my reference at times and advise you to double check on anything you find in this.

The original source of these documents is yet not known and I own no responsibility of the information contained in them. Please do drop me a mail in case you get to know the original source. I shall be all the more happy to track it back to them.

Bangalore:

• The Quick Bangalore Guide
  Details: This pdf has quite lot of inf on things and places in Bangalore[ Fireservices, Blood banks, Hotels, Hospitals etc.]

Kerala:

• Exotic Kerala
  Details: This Word Document is a wonderful collection of places you could see in Kerala and could act as a spledid Tour guide.

Pune:

• Pune City Map
  Details: A quick reference high resolution map of the Pune city.
• Pune One day Outings
  Details: A simple but detailed spreadsheet on one day outings around Pune.You may also want to check this site if you plan to explore Pune. He's covered most of the places and gives a detailed explanation of it.
• Doctors in Pune
  A wonderful reference sheet for doctors details in Pune. It's been classified based on one's specialisation and Qualification!

Chennai:

• The Quick Chennai Guide
  Details: The name says it all. Bus routes, Pubs, Coffee shops, Dining places, Ambulance, Blood banks et al.