The objective of Mahatma Gandhi Pravasi Suraksha Yojana is to provide support and financial security to overseas Indian workers. The scheme aims to encourage and enable these workers in various ways.

Option 1 states that the objective of the scheme is to save for the return and resettlement of overseas Indian workers. This means that the scheme helps these workers save money to facilitate their return to India and assist in their resettlement.

Option 2 states that the objective is to save for their old age. This suggests that the scheme assists workers in saving money for their retirement and ensures financial security during their old age.

Option 3 states that the scheme helps workers obtain a life insurance cover against natural death for their entire life. This means that the scheme provides life insurance coverage to workers, which will benefit their families in case of their natural death.

Based on these explanations, it is clear that option 2, which states that the objective is to save for return and resettlement as well as old age, is the correct answer.

Alert - correct answer should be 1, 2 and 3.

Therefore, all three options mentioned in the question are the objectives of the Mahatma Gandhi Pravasi Suraksha Yojana