The question of whether or not Stalin killed Subash Chandra Bose is a complicated one, and one that has been the subject of much debate. There are a number of factors that need to be considered in order to answer this question, and it is important to look at all of the evidence that is available in order to come to a conclusion.

First, it is important to understand the context in which this question is being asked. Stalin was the leader of the Soviet Union during World War II, and as such, he was one of the most powerful people in the world at that time. It is important to remember that Stalin was a dictator and that he was known for being a ruthless leader. He was also known for being paranoid, and for being willing to kill anyone who he saw as a threat to his power.

In the context of the question, it is important to remember that Bose was a leader of the Indian independence movement. He was also a close friend of Jawaharlal Nehru, the first Prime Minister of India. Bose was arrested by the British in 1940, and was later sentenced to death. However, he escaped from prison and went to Germany, where he met with Hitler.

After the war, Bose returned to India, and he became the leader of the Indian National Army. The Indian National Army was a paramilitary force that was formed in order to fight against the British in India. Bose was a popular leader, and he was able to rally a large number of people to his cause.

However, Bose's relationship with Stalin was a complicated one. Stalin saw Bose as a potential threat to his power, and he was worried that Bose would try to overthrow him. In addition, Stalin was concerned that Bose would try to align himself with the United States, which was a major enemy of the Soviet Union at that time.

As a result of these concerns, Stalin decided to have Bose killed. There are a number of different theories about how Stalin killed Bose, but the most likely scenario is that he ordered Bose to be poisoned. There is some evidence to support this theory, including the fact that Bose's body was never found, and that Stalin was known to be paranoid about potential threats to his power. 

However, it is also worth noting that there is no concrete evidence that Stalin actually killed Bose. The fact that Bose's body was never found is not necessarily proof that Stalin killed him, and there are other explanations for why his body was never found. In addition, it is possible that Bose was killed by someone else, and that Stalin was simply paranoid about the potential for Bose to overthrow him.

Ultimately, the question of whether or not Stalin killed Bose is a complex one, and it is important to consider all of the evidence that is available in order to come to a conclusion. There is no definitive answer to this question, and it is possible that the truth may never be known.