Terming food inflation as unacceptably high, Finance Minister Pranab Mukherjee has said that the Government is trying its best to control along with the cooperation of State Governments.He informed that a meeting of the State Finance Ministers has been convened on Wednesday to discuss ways to rein in the rising food prices. Although food inflation fell for the first time in six weeks to 16.91 per cent for the week ended January 1, it still remains high as vegetables like onion, and protein-based items turned expensive.Rising food prices also pushed up overall inflation for December to 8.43 per cent, from 7.48 per cent in the previous month.