Army Chief General Bipin Rawat today said that terrorism is spreading like a 'multi-headed monster' and it will stay as long as some nations continued to use it as a state policy. <br />''<br />''<span style="color: #222222;">Speaking at a panel discussion in Delhi, he cautioned that terrorism is becoming a new form of warfare with weaker countries using it as a state policy to put pressure on another country. </span><br />