The 200% Deposit Bonus is an unlimited promo campaign allowing traders to increase their deposit amount up to 200%. Bonus percent depends on the country of the client’s residence. Anytime customers deposit funds to their M.Premium accounts, they can apply for the bonus by clicking the “Receive bonus” button inside the Trader’s Room and selecting the percentage that they would like to add to the amount of their deposit: 25%, 50%, 100%, or 200%. To be able to withdraw or use the bonus funds for further trading, the Participant should meet the trading volume requirement within 180 calendar days time frame. The bonus Status Bar presented in the Trader Room helps track the remaining number of lots to trade. If the requirements are not met within the specified timeframe, the bonus will expire. However, a client can claim a new bonus instantly and start working towards meeting the requirements again. Please see the detailed terms below.

The Deposit Bonus percent up to 200% is represented in Malaysia and India only. In other countries the Deposit Bonus percent is represented as 25% and 50%.
You can read more about it here https://mtrading.com/products/deposit-bonus