See the energy cruch today. The fossil fuels are not going to last too long. Such missions are undertaken by various countries to assess whether such fuel exists on moon or other planets. Similar activities are done to antarctica as well. So keeping our future energy demand in mind such missions are necessary. It is a great job done by our scientists and We all are pround of them. I agree with u that our priorities should be different but not at the cost of scientific research. Similar can be said about our defence expenditue. It is mandetory. We can not avoid it specially when we have China and Pakistan as our neighbours. We should try and reduce corruption for e.g. bad quality roads built in first place and repaired again and again. It is a trap. So we should try and release such money (un-necessary expenditure) and develop the country's infrastructure.