After returning from Algeria, General Singh commanded the 79th (Independent) Mountain Brigade in the Baramula Sector, Jammu & Kashmir, during the peak of insurgency there in 1991–92. During this tenure, he was gravely wounded in action leading from the front, in a fierce engagement with terrorists infiltrating across the Line of Control (LoC). For that operation, he received the War Wound Medal and was awarded the Chief of Army Staff's Commendation. He was nominated to attend the prestigious National Defence College (NDC) course in 1993. He was posted as Deputy Director General Operational Logistics in Army HQ after the NDC Course.