Examine the following statutory and administrative actions to determine which are recognized as formal implementations of the Directive Principles of State Policy:
1. The legislative mandate providing a 10% employment and educational reservation specifically targeting Economically Weaker Sections (EWS).
2. The establishment and empowerment of the National Commission for Backward Classes to safeguard targeted demographics.
3. The historical consolidation and state-led nationalization of the private life insurance industrial sector.
4. The creation of the central Planning Commission designed to execute structured, nationwide socio-economic development.