FreeCharge has tied up with Reliance Mutual Funds which is a well known AMC in India. When you Invest,the money moves directly from your bank account to your mutual fund account with Reliance Mutual Fund.
If you have invested in Smart Saver Fund, you can withdraw your money anytime from your Mutual Fund Account through FreeCharge.
If you have invested in Tax Saver Fund, then as per regulations, your invested amount has a lock-in period of 3 years before which you cannot withdraw this amount.