The men I have observed undertaking this behaviour tend to be of lesser socio-economic means, and in my rudimentary understanding of the intricacies of Indian culture, I believe they are more likely to have an arranged marriage.
I recently arranged to catch up with an intelligent man I had come across, but on our first meeting he brought along a female friend.
Mitsubishi Electric is one of the world's leading names in the manufacture and sales of electrical and electronic products and systems used in a broad range of fields and applications.
In July 2016, the two Nigerian co-conspirators pleaded guilty in connection with their roles in the scam, and a federal judge sentenced them each to 36 months in prison last December.
Also it is unclear to me if the separation of men and women (for example in the trains) is a reaction to the violence or the cause.
My simplistic explanation on why this behaviour is tolerated comes down to the arranged marriage.