A charitable organization receives donations from anonymous donors amounting to Rs. 2 crores. The organization uses this money for legitimate charitable purposes. The donor's source is unclear. Under PMLA, which statements are correct? Statement 1: Anonymous donations automatically constitute proceeds of crime under PMLA. Statement 2: If the charitable organization has reasonable belief that donations are from legitimate sources, no PMLA action can be initiated. Statement 3: If investigation reveals donations are connected to a scheduled offence, the money becomes proceeds of crime despite being used for charitable purposes. Statement 4: Charitable purposes provide immunity from PMLA provisions. Which statements are correct?