Tags: 'excise duty',
'IMPP',
'ZACL',
'basic/ex-refinery price',
'landed cost',
'Duncan Industries',
'Sri Ram Fertilizers & Chemicals',
LSHS,
'Mangalore Chemicals & Fertilizers (MCF)',
ocean freight,
'decontrolled regime',
fuel oil,
'concessional price',
naphtha,
'port charges',
marketing margins