In Jain Dharma, going to heaven is possible only through punya karma and a very pure, disciplined, and non-violent life. But heaven is not the final goal—it is still within the cycle of birth and death.

If a person has committed wrong actions, then those karmas can bring suffering and lower destinations. However, one mistake does not permanently decide everything. In Jainism, karma is complex, and the result depends on the nature, intensity, time, and repeated habits of one’s actions.

So the short answer is:

• Yes, a soul can still rise to a heavenly state if strong punya karma is present.
• No, heaven is not guaranteed if one has committed harmful actions.
• The ultimate aim in Jainism is not heaven, but moksha through right faith, right knowledge, and right conduct.

If you want, I can explain this in simple Jain terms with punya, paap, and gati.