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1. Amarinder Singh resigns as Punjab Chief Minister on Saturday, months before polls, saying he had been "humiliated thrice" and that the Congress is free to "appoint whoever they trust". He also said he would "exercise his options when the time comes". 2. Punjab's Congress MLAs on Saturday authorised party President Sonia Gandhi to pick a new Chief Minister for the state following the resignation of Captain Amarinder Singh. Emerging from a meeting in Chandigarh, Harish Rawat, the party's Punjab in-charge, says legislators had passed two resolutions. 3. Former Union Minister Babul Supriyo joins Bengal Chief Minister Mamata Banerjee's Trinamool Congress on Saturday, two months after he was asked to resign as junior minister in the Environment Ministry and a month after saying he won't join any other party and would quit politics. Later, he amended his plans and said he would remain a Member of Parliament. 4. Actor Sonu Sood has evaded taxes of over Rs 20 crore, the income tax department says in a statement on Saturday, after visiting his Mumbai home for three days in a row for a search. Mr Sood, 48, had recently announced a tie-up with Delhi Chief Minister Arvind Kejriwal's Aam Aadmi Party government. 5. Four SpaceX tourists return to Earth safely on Saturday after spending three days in space, successfully concluding the first orbital mission in history with no professional astronauts on board.