First, you need to define the goal of your investment. Then you need to perform a cash flow analysis and identify the investible amount. After that, based on your risk appetite and time frame, you need to decide where you need to invest. The judicious advice would be to take help from an expert Certified Financial Planner on this who can understand your problems and requirements and design a customised and unique plan for you.
The four main avenues of investment are Mutual Fund, Equity (or Stock Market), Real Estate and Gold. As per your