Which of the following statements are valid regarding the initiatives taken by the Andhra Pradesh Government in Women Development and Child Welfare Department?

1. IGovernment in collaboration with PRATHAM organization is building the capacities of supervisors and angan wadi workers.
2. IIGovernment in collaboration with the UK CATAPULT organization is extending support for funding the YSR Talli Bidda Express.
3. III‘YSR Sampoorna Poshana Plus +’ scheme provides nutritional support to pregnant women and lactating mothers in all the mandals except the 77 Scheduled and Tribals sub- mandals.
4. IVPoshan Abhiyaan is implemented in the State by a 50% external aid from IBRD.