New Delhi, Aug 18: Credit rating agency Icra has upgraded the rating assigned to Rs 15-crore commercial paper (CP) programme of Transport Corporation of India to ‘A1+’ from ‘A1’, indicating maximum safety in the short run. An ‘MA+’ rating has been retained for the fixed deposit programme of TCI indicating adequate safety, a release said. As per Icra, TCI’s performance largely reflects highly competitive and cyclical nature of truck industry with both freight volumes and pricing being sensitive to the sentiments in the domestic economy Bureau Report