THE National Security Act (NSA) was invoked against a man accused of being involved in cow slaughter in Bahraich, Uttar Pradesh, on September 6, adding one more to the list of people against whom the stringent legislation has been used in the state this year. More than half of these cases relate to alleged cow slaughter. As per a statement by Additional Chief Secretary (Home) Awanish Kumar Awasthi, this year, till August 19, the UP Police had invoked the NSA against 139 people in the state, 76 of them for cow slaughter. As…