The caste Certificate are needed in case if you wants to avail the benefits of a particular community. The DM SDM, ADC etc. Are the competent authorities and empowered to issue the caste Certificate on the basis of recommendation of Gram Pradhan, MLA or Madhya Pradesh etc. The caste Certificate. Are according to the caste you belongs like SC/ST/OBC etc. Now in your case if you belongs to anyone communities among the SC/ST/OBC you needs the Certificate for claiming the benefits of particular community. In case you belongs to general category and your parental income is below 8 Lacs, than you needs EWS Certificate. EWS Certificate Check your parent's salary for the last three consecutive years. If in any of the last 3 years it is below 8 lakhs, you are qualified for OBC Non-creamy layer status, provided income from other sources is also less than 8 lakhs, An OBC candidate is considered against OBC vacancies only if he/she possesses a valid OBC certificate. However, such OBC candidates can always compete for the unreserved vacancies provided they fulfill the eligibility criteria of General category