NEW DELHI, Oct. 14 -- Union minister of state (MoS) for information and broadcasting L Murugan announced his resignation from the Rajya Sabha and the Union council of ministers on Tuesday, saying that he would return to Tamil Nadu to focus on politics in the southern state. Murugan is the third minister after former MoS for railways and food processing Ravneet Singh Bittu and former MoS for minority affairs and fisheries, animal husbandry and dairying George Kurian to exit in less than four months.P8...