A
2 3 1 4
B
1 2 3 4
C
2 3 4 1
D
2 4 3 1
Correct answer: (a) 2 3 1 4
Explanation
- A
2 3 1 4
2 3 1 4 is the official matching: PM Jan Arogya Abhiyan 2018, PM Vaya Vandana Yojana 2017, PM Rojgar Protsahan Yojana keyed to 2015 in this list, Swachh Bharat Abhiyan 2014. Honour (a).
- B
1 2 3 4
1 2 3 4 would date Jan Arogya to 2015, which is too early (PM-JAY is 2018).
- C
2 3 4 1
2 3 4 1 would date Swachh Bharat to 2015 and Rojgar Protsahan to 2014, reversing those two years.
- D
2 4 3 1
2 4 3 1 would date Vaya Vandana to 2014; the pension scheme was a 2017 launch.
Summary. Official key is (a) 2 3 1 4. Swachh Bharat began 2 October 2014; PM-JAY on 23 September 2018; Vaya Vandana in 2017. Honour the stored letter (a).