In a pan add oil as oil heats add rai, jeera, green chilli let them crackel then add haldi and Panner masala saute them together for a min then add onion saute it till it turns soft then add tomato cook them all together for 5min then add panner cubes and salt mix them all together and cook for 5-10min then add lemon juice and corriender leaves mix them all together cook for another 2min and turn off the gas. Serve hot with roti.