The state government paid Rs 6,02,56,360 toward the cost of hiring helicopters for Patnaik on official tours in the state, according to Parliamentary Affairs minister Kalpataru Das.
The cost incurred by the state government for air journey by the chief minister outside the state and country was, however, only Rs 10.36 lakh, he said.
During the period, the chief minister went abroad only once, while he went on official tours outside the state 17 times, Das said.
She had gone on one foreign tour and seven outside the state by air and twice travelled by helicopter in the state.
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Former minister Sanjeev Sahoo had incurred the second highest expenditure toward air and helicopter travel costing the state exchequer Rs 4,07,722. Sahoo had undertaken 12 tours outside the state and one in the state.
Patro was followed by Tourism minister Maheswar Mohanty, who incurred Rs 3,60,607 expenses on 10 tours outside the state and four inside the state, the ministers travel document said.
In his brief one-year stint as agriculture minister, BJD strong man Pradeep Maharathy only incurred Rs 20,456 on official tour and had toured outside the state just once.