Investors in India looking to invest in mid-cap stocks through SIPs should consider an investment horizon of at least eight years for capital preservation, as per historical data analysis from 2005 to 2025. Mid-cap funds have demonstrated lower volatility and risks when compared to small-cap funds, making a time frame of 8-10 years recommended for steady and positive returns. This analysis highlights the importance of a long-term perspective when investing in mid-cap stocks, emphasizing the need for patience and consistency in order to navigate market fluctuations effectively. By aligning investment goals with a suitable time horizon, investors can better position themselves to achieve their financial objectives and maximize returns over the long run.