Tags: rock phosphate,
'all catch exemption circular',
'ammonia for refrigeration',
'carbon-dioxide',
'naphtha burning',
'non-concessional',
'concessional rate',
'inputs/raw materials',
'finished fert products',
'Simplification',
'excise duty',
'countervailing duty (CVD)',
sulphur,
naphtha,
fuel oil,
customs duty,
ammonia,
phos acid,
rationalization,
economic reforms