"There has been a sudden surge for self-defence and personal protective training. This happens whenever the city sees a major crime against a woman," Joshi said.
It is not just working women who are enrolling for such classes.
"We are getting queries from women of all age groups, right from 15 to 50 years," Joshi added.
A recent survey by industry group Assocham showed a 40 percent fall in productivity of women employees at call centres and IT companies because many were afraid to venture out at night and had thus reduced their hours or had quit.
Roshini Singh, who works in a multinational company in Gurgaon, said she faced tremendous pressure from her parents to leave her well-paying job.
"It was so hard to convince my parents. I drive my own car. But there are days when I get late. As I have to travel for an hour to reach home, my parents insisted that I quit,"said Singh who lives in Prashant Vihar in north Delhi.
"I didn't want to do it; so I thought it is better to take self-defence classes. Now I am learning kick-boxing. My parents are fine now," Singh added.