RANCHI, India — Jharkhand student leader Devendra Nath Mahto on Saturday alleged that police stopped him from joining an Independence Day Tiranga Yatra in Ranchi and that he and his companions were assaulted when they attempted to proceed to a flag-hoisting ceremony. Mahto, who has been on an indefinite hunger strike for 14 days over alleged irregularities in recruitment examinations conducted by the Jharkhand Public Service Commission (JPSC) and Jharkhand Staff Selection Commission (JSSC), is currently admitted to Sadar Hospital.