Farmers at Singhu border threaten to block trains in Mandsaur, seek removal of barricades Farmers at Singhu border threaten to block trains in Mandsaur, seek removal of barricades Protesting farmers at Singhu border said on Monday that farmers in Haryana on Monday warned of blocking trains in Mandsaur. In their speech, they also asked police to remove barricades and allow movement on road. advertisement Farmers protesting at Singhu border in Delhi-NCR. (Photo: PTI) As protest over the Centre's farm laws continues, farmers in Haryana have warned of blocking trains in Mandsaur, farmers protesting at Singhu border in Delhi-NCR said on Monday.