M Jha was arrested after the victim lodged a complaint, police said.
Jha’s company is located in Sector 127.
Police said Jha was being interrogated and other employees of the company were being questioned to verify the truth.
Jha has, however, claimed that the allegations were not true, police said.
In a similar incident, a man has been arrested for allegedly molesting his former girlfriend at Sector 22 here, police said.
The arrest was made on a complaint filed by the woman, they said.
In the complaint, the victim has claimed that Sachin molested her in the presence of her friend at her house. She said the accused entered her house forcefully, police said.