Detailed Solution:
The correct answer is “Both (A) and (R) are true and (R) is the correct explanation of (A)”.
The correct answer is (a) Both (A) and (R) are true and (R) is the correct explanation of (A).
Assertion (A) states that the Union Budget 2020-21 has focused on rural development with the aim of doubling farmer income. This statement is true, as the budget did indeed have a significant focus on rural development, with several measures announced to support agriculture and farmers. The budget also set a goal of doubling farmer income by 2022.
Reason (R) states that the 16 action points announced in the budget are centered around agriculture, irrigation, and rural development. This statement is also true, as the budget did announce several specific measures in these areas, such as the establishment of Kisan Rail, the expansion of PM-KISAN scheme, and the allocation of funds for rural electrification, among others.
Therefore, both (A) and (R) are true, and (R) provides a correct explanation of (A).