Explanation:

All statements are correct.

• The PM Gati Shakti — National Master Plan was announced in 2021 to break departmental silos and bring in more holistic and integrated planning and execution of projects to address the issues of multi-modal and last-mile connectivities. PM Gati Shakti has sectoral complementarity of logistics facilitation through the National Logistics Policy launched in 2022.

• The projects pertaining to seven engines (roads, railways, airports, ports, mass transport, waterways and logistic infrastructure) in the Rs 110 lakh crore National Infrastructure Pipeline that was launched in 2019, will now be subsumed under PM Gati Shakti framework.

• Gati shakti is a digital platform that will bring 16 ministries including railways and roadways together for integrated planning and coordinated implementation of infrastructure connectivity projects. This will help in removing long-standing issues such as disjointed planning, lack of standardization, problems with clearances, and timely creation and utilization of infrastructure capacities.

Hence option 4th is correct.