There is an overwhelming need to focus on the human capital and the role of this important resource on organizations’ systems. In addition, there is a need for study on human resource development and participative management system. This would not be an interesting topic for study, if it were not a comparative study in the field of human capital and participative management system. Two important sectors were selected for the study i.e., Gas and Car parts companies. Gas Indian Ltd in Delhi (GAIL) and the National Gas Company of Isfahan, Iran; and also, two manufacturers of car parts in India and Iran, named Sona Group Company (in India) and Atlas Pump Sepahan (in Iran) were selected. The objectives of the study were associated with the role of some important human resource factors in participative management system. Objectives of the study are as follows: The role of communication, employees compassion, employees sentiment, reward system and training in participative management system, also if there were any significant difference on the impact of mentioned variables in Indian and Iranian organizations from the perspective of employees. The questionnaires were distributed among randomly selected employees and the researcher collected responses through the questionnaires of employees. Analysis of data was based on the SPSS (Statistical Package for the Social Sciences). Three levels of analyses were computed: 1. Descriptive analyses 2. T-Test 3. Correlation analyses. The general observations associated with attitudes of Indian and Iranian employees about hypotheses are presented in this paper.