Bangalore commute timings ...

This one is a key thing - Bangalore traffic is as bad as you can assume. I didn't believe a 12 kms commute would take 45 minutes to an hour but that is true. AND, on the top of that, this is not a route where construction is in progress. It takes me anywhere from 30 minutes on a normal day and upto 1 hour on some days, depending on when I leave. Same route takes 20 mins while getting back home. How? I don't do the mistake of leaving work after 5pm!! 

To give an idea how long the commute could take to IT areas, here is some timing info. Again, this is assuming semi-peak hours, not early morning (defined as 7-8am). Also, assuming you are driving a 4 wheeler, not taking Bike or public/company transporation. These timings to any point can change at any point of the day, for no specific reason but should give you a ballpark idea.
- JP Nagar, BTM Layout, Jayanagar to Sarjapur road area: 1 hour+ (via outer ring road)
- JP Nagar, BTM Layout, Jayanagar to Marathhalli Area: 1 hours 30 mins (due to the                
multiple flyover constructions on outer ring road,  after Sarjapur fly-over)
- Koramangala, HSR layout to Marathhalli area: 45-60 minutes
- Koramangala, HSR layout to Dommalur: 30-45 mins
- Koramangala, HSR layout to ITPL, Whitefield: 1:30 mins+
- JP Nagar, BTM Layout, Jayanagar to ITPL, Whitefield area: 1 hours 30 mins - 2 hrs
- Koramangala, HSR layout to Hebbal area(Manyata): 1:30 mins to 1:45 mins
- Marathhalli area to Hebbal area:45 mins to 1:30 mins( via outer ring road)
- Marathhalli to ITPL, Whitefield: 30 - 45 mins
- JP Nagar, BTM Layout, Jayanagar to Electronic City: 45- 60 mins
- Marathhalli to Electronic City:1 hour to 1:30 mins (via ORR)
- Electronic city to ITPL, Whitefield area: 1:30 mins +
- Marathhalli to Dommlur area: 45 mins to 1:15 mins