Investing ₹10,000 monthly in a step-up Systematic Investment Plan (SIP) can yield significant returns over time. By increasing the investment by 7% annually and aiming for an annualized return of 12%, investors can accumulate a corpus of approximately ₹1.48 crore in 20 years. This corpus can then be utilized through a Systematic Withdrawal Plan (SWP) to withdraw ₹1.05 lakh monthly for the next 20 years, assuming a conservative annual return of 6% from a debt fund. Experts recommend focusing on equity-oriented mutual funds for the SIP phase and a balanced mix of conservative funds during the SWP phase. It is crucial to maintain realistic expectations regarding returns and withdrawal rates, generally suggesting a sustainable withdrawal of 3-5% annually to ensure the corpus lasts. Common pitfalls include stopping SIPs during market downturns and excessive withdrawals from SWPs, which can jeopardize long-term financial health. Starting early is essential, as delaying investments significantly reduces the potential retirement corpus due to the effects of compounding.