Check this link from ET. (Pune new hotspot on BPO map).

An excerpt from the above article.
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"social scientists believe that ‘Puneites’ have a ‘stable’ mindset and are, thus reluctant to move out of the city."

"Consequently, most are unlikely to switch jobs easily, which is a huge advantage for the (ITES)sector, beset with a 42 per cent rate of attrition."
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Yes, I'd agree with the first two lines. People from Pune prefer stability and yes, as a general trend, Maharashtrians (no offence meant to anyone!) prefer their own space.

This has primarily two reasons.

One, Pune has a lot of facilities in terms of education, commercial and professional opportunities, short-distances, middle-class residential areas alongwith good climate, almost throughout the year (although it is hot in summers!); so people don't feel the need to go out, go away from Pune. There are a lot of jobs available in Pune, why to go somewhere else.

The other reason, Puneites have this 'closed' outlook. They don't prefer to explore. If a job pays well in Pune and another pays very well in some other city, still people will stick to the one in Pune.

To the next two lines, regarding attrition levels being as high as 42% in the ITES industry and Pune, because of it's 'Stable' outlook, being a preferred choice. The argument is specious.
The ITES industry has overall high attrition rates and even if it is Pune or any other city, the change of body-clock that comes with working in shifts gets to people and so I don't think the attrition rates would come down because Puneites are 'stable' and don't change jobs easily. On the face of it, the argument sounds convincing, however, this would be true for any other industry, not for the ITES industry, where the dull, monotonous, brainless, against the normal body-clock work gets to you.

I've worked in shifts. Right now, I'm working in a regular 09:00 am to 07:00 pm shift, however, I've worked from 5:30 pm to 2:30 am, 1 pm to 10 pm, 12 am to 9 am, 6 am to 3pm, 12 pm to 9 pm, 4 pm to 1 am and I can vouch for the fact that it totally upsets one's body-clock.

I was working from 12 am to 9 am. I used to be back home by 10:30 in the morning, go to sleep for a few hours, say till 5/6 in the evening, so lunch was skipped by default, once I woke up at 6 pm, felt like eating something, felt hungry, then used to have tea and snacks or noodles, then didn't feel like eating at night and it was time to reach office at 12 am and had to start at 11 pm. Means, I used to miss lunch as well as dinner and on top of that if one has staggered holidays and one is working on weekends then one's social life turns upside down, don't meet friends, don't get to see family members.

I've been lucky to work outside Pune, staying as a Bachelor. So no problems on that front for me. However, working in shifts and staying at home upsets the life of others. Odd working hours and people will cook, wait for you to come home and it upsets their life too.

Working in call centers is hopeless, although it pays well!
As far as possible, one should not take a call-center job, although there are times when money is all that matters and who cares for what the work profile is. I've been through those times, they're over! :-)