The PLI scheme for the telecom and networking products sector aims to boost domestic manufacturing and exports, thereby reducing reliance on imports (Statement 1 is correct). Statement 3 is correct; eligibility for incentives is based on achieving minimum thresholds and qualifying incremental annual thresholds of manufacturing and sales, and the support is provided for a period of five years. Statement 2 is incorrect; the scheme was notified in February 2021, and the effective date for calculation of eligible incremental sales and investment for the incentive period of five years commenced from April 1, 2021, not April 1, 2022.