Union Home Minister Amit Shah on Thursday said significant success has been achieved in the past 10 years against terrorism in Jammu and Kashmir, left-wing extremism, insurgency in the northeast and narcotics, the four major challenges before the country. He credited the "firms" policies of the Narendra Modi government at the Centre for the success. Left-wing extremism will be eradicated completely by March 31, 2026, Shah asserted while addressing the valedictory function of the 99th foundation course at the Lal Bahadur Shastri National Academy of Administration in Mussoorie. "Terrorism in Jammu and Kashmir, Left Wing Extremism, insurgency in the northeast and narcotics are the four major challenges before the country. Due to the firm policies of the Modi government, significant success has been achieved in all four areas over the past 10 years," he said. The Union home minister also said the implementation of the three new criminal laws through the use of technology, replacing the