)
Mentha oil futures for May gained Rs 11.10, or 1.23%, to Rs 907.40 per kg in 336 lots.
At the Multi Commodity Exchange (MCX), the June contract edged up by Rs 9.10, or 1.02%, to Rs 893.90 per kg in 65 lots.
Prices rose as speculators enlarged their positions tracking firming spot market trend on strong export demand.
Restricted supplies from producing regions mainly influenced mentha oil prices at futures trade here.
