A report by India Ratings and Research today said in case of a 10 per cent rupee depreciation in the financial year 2017-18, the aggregate net leverage of top 100 non-financial foreign exchange borrowers will increase to 5.6x from 5.1x in the financial year 2015-16, while interest coverage will reduce to 2.6x from 2.8x.
"Based on the shift in net leverage and interest coverage of these corporates, we estimate 54 of the 100 corporates are highly sensitive to rupee depreciation; while 19 and 27 corporates exhibit moderate and low sensitivity, respectively," the report said.
It said rupee depreciation will lead to deterioration in the credit profile of 75 of the 100 corporates - with aggregate net leverage deteriorating to 6.2x from 5.5x at fiscal 2015-16.
These 75 corporates account for 82 per cent of the total debt worth Rs 21.8 trillion.
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The aggregate net leverage of the remaining 25 corporates holding 18 per cent of the debt will improve to 3.6x from 3.8x in fiscal 2015-16, the report said.
"Amongst the high negatively impacted sectors, oil and gas holds the maximum forex exposure (Rs 9.3 trillion), where leverage could deteriorate to 4.6x from 3.5x (in FY16), followed by metal and mining (Rs 2.6 trillion), where leverage could deteriorate to 12.8x from 12x ( in FY16)," the rating agency said.
Total forex exposure of these top corporates as at end financial year 2015-16 stood at Rs 19.5 trillion - the aggregate hedge cover of which was 36 per cent, the report said.
The total exposure comprises debt of Rs 8.1 trillion (hedged 36 per cent), and imports of Rs 7.4 trillion (hedged 36 per cent) and exports of Rs 4 trillion (hedged 37 per cent).
cent and hold 52 per cent of the total exposure of Rs 19.5 trillion.
Maximum hedging preference is exhibited by corporates in the 'AA' and 'A' rating categories, where aggregate hedging is between 42-57 per cent.
The report further said it believes the forex risk of corporates has moderated over the last four years, as the country's overall trade deficit reduced to USD 119 billion in fiscal 2015-16 from USD 190 billion in fiscal 2012-13.
"The widening trade deficit could intensify the impact on the credit profile of corporates unless currency risk management improves significantly," it said.