Throughout the narration, Rukmani acknowledges her mistakes and weaknesses. Eventually, her perspective is one of a person who has learned to be less selfish, more comprehensive, and to priorize the things that are really important to her.
In the case of Kenny, his point of view comes from a more prejudiced person, who sees himself as superior regarding Indian people.
One of the factors for them to have different perspectives on life is POVERTY. Another factor is PERSONALITY, since Kenny is less emphatic and more skeptical than Rukmani.
At first, Dr. Kenny believed that Indian people needed some philosophical orientation and material assistance. These people were foolish in his eyes because he couldn't understand how deep their poverty is and how much tied they are to their spiritual convictions. Eventually, her recognizes and accepts that many people rely on their faith as a support to face their suffering. After Rukmani notices that they are in God's hands, it is understood that Kenny realizes this is the only choice people have to deal with their situations.