Obviously, you have not provided your mobile number, name or e-mail address to the callers. So how come they got to know your name and mobile number? In all probability, you haven't registered your number in the Do Not Call (DNC) or Do Not Disturb (DND) registry. That's why you had to begin your day with a telemarketing executives calling to sell a loan product, insurance policy or a credit card. And it does not stop at calls. Even e-mailers are sent pitching products.
There is a huge, unorganised database market out there, where companies collect details of individuals through a variety of means and sell them to those interested - for a price.
Text: Business Standard