India, Jan. 13 -- Names of atleast five companies from different states have come up as part of the investigation in the "digital arrest" of an elderly couple in south Delhi's Greater Kailash, police said on Monday. All the firms are registered and their owners are being summoned for questioning.

"We have found that one of the receiving bank account numbers is in the name of a Vadodara-based healthcare services company. We don't know if the accused copied the company's name or if the company officials are involved or if it's a shell firm. Our investigation has revealed that many other companies, at least five, have been used in the case," a senior police officer said.

The victim couple, 81-year-old Om Taneja and 71-year-old Indira Tanej...