Your thinking is very good that you want to do agri farm and bio gas in your village during your retirement.Agri farm and bio gas play a very important role in every village. Often the village people are dependent on agricultural farms and the standard of living is improved through bio gas. However, in almost all businesses, money problems become a major factor. However, we should all want to do something in our retirement. Besides, you mentioned another wish which is to make your reputation 75. Yes, as you are working regularly, you will reach that goal very quickly this year, inshallah.