With no sign of any wreckage from the Indian Air Force plane that disappeared on Friday with 29 people on board, 17 ships, a submarine and 23 aircraft are now a part of the search operation; The Goods and Services Tax is in trouble yet again. The Congress today attacked the government for attempting consensus on GST and attacking its top leaders at the same time; Navjot Singh Sidhu said he resigned as a BJP parliamentarian because he had been asked to "not even look at" Punjab, where elections will be held next year; Narsingh Yadav demanded a CBI probe into the doping scandal, which has jeopardised his participation in the 2016 Rio Olympics, alleging that a conspiracy has been hatched to scuttle his dream; CPM Kerala secretary Kodiyeri Balakrishnan asked his party men to pay those who attack CPM back in the same coin. The opposition called his comments 'hate speech'; Verizon Communications Inc said that it would buy Yahoo Inc's core internet properties for $4.83 billion in cash. Yahoo chief Marissa Mayer said she would be open to staying on with the company.