What was Hari unable to stop doing for much of the journey?

Hari was unable to stop coughing for much of the journey due to the harsh conditions and his weakened health. Throughout the narrative, this persistent cough symbolizes both his physical suffering and the challenges faced by those living in poverty. It highlights the difficulty of the journey they are undertaking and serves to emphasize the impact of their environment on their well-being. The involuntary nature of his coughing illustrates his vulnerability and the severity of their situation, making it a significant part of his character's experience during the journey.