Singh, who has served in the Army, also said that India needs a full-time Defence Minister.
Reacting to the barbaric killing and mutilation of two Indian soldiers along the Line of Control (LoC) in Poonch district of Jammu and Kashmir, Captain Amarinder said India's response should be clear and unequivocal.
"We should stop being a gentleman's army. If they (Pakistan) cut one of our heads, we should cut three of theirs," he said.
Peace is only possible if the government writ runs large, said Captain Amarinder, making it clear that he did not favour negotiations in Jammu and Kashmir till the Indian Army had an upper hand.
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While he did not blame the Prime Minister for the spiralling violence in Chhattisgarh and Jammu and Kashmir, the Chief Minister asserted that the nation needed a "full-time defence minister".
According to Captain Amarinder, the CRPF, which was recently the victim of one of the worst ever Naxal assaults in Chhatisgarh, was not trained properly and did not have sufficient firing experience to tackle such situations.
Expressing grief over the unnecessary loss of lives in the attack, he urged the CRPF to look into the matter and address the various concerns affecting the CRPF.
The Chief Minister said he was sure that if a war-like situation develops in the country, all political parties, cutting party lines, would come together against the common enemy.
"If they have the guts they should come and speak here instead of misleading people with unsubstantiated statements elsewhere. We want a stable Punjab, we want development. Having been in the Army, I had seen wars and had never worried about any risk or threat to my safety", he said.
About his charges against Canadian defence minister Harjit Singh Sajjan, the Chief Minister said his job was to raise issues and he wanted to bring big investments in the state which required peace and stability.
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