1. For a sale to be legally completed, there shall have to be flow of consideration from either side,
2.You are parting with the title of your plot to A and A is supposed to part with the entire consideration in your favour,
3. In the instant case A is suggesting you to accept pat payment of the consideration from B without any mention anywhere about who will pay for the consideration for A,
4. Such acceptance of part payment of sale proceeds fro B for the sale to be conducted to A is illegal,
5.Let B transfer the money o A through RTGS who can counter RTGS the ame to you.