Katwa is a slur used to describe Muslims in a derogatory way. Slur used in India to represent Muslims (similar to Landya - "Actually means 'cut cocks' because of the rite of circumcising followed by Muslims")
The word Katwa is a racial slur that has been used historically to degrade and dehumanize muslims. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to muslims. If you are unsure about whether or not it is appropriate to use the word Katwa, it is best to err on the side of caution and avoid using it in any situation.