How were the relevant strip maps to be printed and signed by Plenipotentiaries according to the agreement?
According to the agreement, the relevant strip maps were to be printed and signed by the Plenipotentiaries. This means that the maps depicting the agreed upon boundary demarcations between India and Bangladesh were to be physically produced (printed), and then each of them was to be signed by a representative with full authority to act on behalf of their country (a Plenipotentiary).