New Delhi, Aug 24 (PTI) Niti Aayog today suggested the government should retain the income tax exemption threshold at Rs 2.50 lakh, and take steps to prevent non-farm entities from declaring their earnings as agri income. ''Three Year Action Agenda, 2017-18 to 2019-20'' of the think tank, released by Finance Minister Arun Jatiley, also asked the government to "frontally address" the problem of corruption among tax officials as part of its exercise ...