ततो हतपक्षमुपगृह्येतरं निगृह्णीयात् ॥ कZ_०५.१.११ ॥
tato hatapakṣam upagṛhya itaraṃ nigṛhṇīyāt
Then, having taken in hand (secured) the side that has suffered the loss, he should restrain/suppress the other side.
Stabilize by consoling/co-opting the harmed side (to prevent revolt) and controlling the other (to prevent retaliation or exposure).