Bengaluru (Karnataka) [India], February 6 (ANI): Karnataka Chief Minister Siddaramaiah on Wednesday said that he has written a letter to all the leaders elected from the southern state including Union Ministers Nirmala Sitharaman and Pralhad Joshi to join the ‘Chalo Delhi’ protest over the tax devolution and grants-in-aid to the state. The Karnataka Chief Minister has also written a letter to Congress president Mallikarjun Kharge. The demonstration is scheduled for Wednesday at the Jantar Mantar in New Delhi. “Union Finance Minister elected from Karnataka @nsitharaman Leader of Opposition in R…