Canada-based Niko Resources has served an arbitration notice to its partners in India’s KG-D6 block, RIL and BP plc. According to an earnings statement from RIL, Niko Resources, which holds 10% stakes in the KG-D6 block, had defaulted on cash calls during the October-December quarter. As Niko failed to cure the default, a default notice was triggered and the Canadian oil and gas firm was asked to exit the block.