(c) [TIP: In this type of question a positive, optimistic, empathetic and unselfish approach is required especially since it involves someone with whom you are interacting on a everyday]
(a) Not issuing a vaccine to either means incurring the wrath of the Gram Pradhan and the curse of the poor villager.
(b) This would mean that you are being partial to the Gram Pradhan just because he is a VIP.
(c) This would ensure that you are not partial to either of them.
(d) Your indealism is not going to work with the Gram Pradhan who is after all a human being. His ego will not be able to tolerate for you so called highhandedness.