The IRS scam, or the 'Mira Road call centre scam' of October 2016, trapped thousands of American citizens, who ended up losing over $150 million to people who posed as IRS officers.

When Popular Finance, a Non-Banking Financial Company in Kerala, abruptly halted operations, thousands of depositors lost their lives' savings in a Ponzi scheme valued at Rs 2,000 Cr. As per reports, they have invested money in Dubai and Australia, which the ED doubts were transferred through Hawala channels.

Ketan Parekh was known as the Pied Piper of the Stock Market. Riding on the wave of the dot-com boom, he manages to live up to his moniker -- until doomsday arrives, eventually leading to India's biggest stock market scam.

Cryptocurrency is becoming the next big thing, and India already has the highest number of cryptocurrency owners globally. But with no regulations in place yet, the market is a hunting ground for scamsters, leading some victims to lose their life savings.