Naaptol Lucky Draw Scam — Naaptol lucky draw scam letter

Received a letter from naaptol.com Nalini Rajan Avenue, basantalal saha road, new Alipore, kolkata, west bengal - 700053. Prize helpline number [protected]. Saying I have won rs 6, 50, 000. That I must use the scratch card sent to me aolng with the letter. I AM NOT A USER OF NAAPTOL.COM. how did they get my name and address?! DEFINITELY FRAUD! I hope govt will take action against these frauds.