The marathon talks between three Union ministers and leaders of protesting farmer unions concluded without a resolution here late Thursday while Union minister Arjun Munda termed the discussion as “positive” and said that another meeting will be held on Sunday. The farmer leaders said they will continue to stay put at the two borders of Punjab and Haryana. Union Agriculture and Farmer Welfare Minister Munda, Commerce and Industry Minister Piyush Goyal and Minister of State for Home Affairs Nityanand Rai represented the Centre at the meeting over the farmer unions’ various demands, including a law guaranteeing a minimum support price (MSP) for crops.