This was even higher than what it was in the corresponding month last year when it stood at 10.16%, according to data released by Ministry of Labour and Employment today.
The Ministry attributed this rise to expensive food items. Food inflation for industrial workers rose 13.24% in May against 12.39 in the previous month.
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Overall CPI-based inflation fell to 9.31% in May this year from 9.37% in the previous month, according to official data released earlier this month.
Besides assessing the impact of price rise on industrial workers, CPI-IW is used for calculating dearness allowance for government employees as well as other workers.