In Uttar Pradesh, Chief Minister Yogi Adityanath has ordered to invoke National Security Act, NSA against the engineer and contractor responsible for the Muradnagar roof collapse case.<br />'' <br />''He has also directed to blacklist the contractor and impose penalty on him of whatever damage has been done in the incident. The Chief Minister had already sought a report on the incident from the Divisional Commissioner of Meerut and ADG Meerut Zone. He also announced today to provide ex-gratia of 10 lakh rupees each to the families of deceased and provide housing facility to those families who are homeless.<br />'' <br />''Meanwhile, Ajay Tyagi, the contractor responsible for the construction of the gallery of the crematorium at Muradnagar in Ghaziabad district has been arrested by police yesterday night.<br />'' <br />''<span style="color: #222222;">Twenty five people lost their lives in the incident and 13 were injured.</span><br />