The Supreme Court-appointed monitoring committee, which is supervising the electronic auction of iron ore in Karnataka, has decided to put up 4 million tonnes (mt) of ore for bids in October. Of this, 2 mt would be auctioned tomorrow. A stockpile of 25 mt has been lying at various mines in the state. Tomorrow’s auction will the third one. A total of 1.24 mt was sold through the two auctions in September .