questions: asking about the procedure for preparation of vermi compost . 
 answers: advised him to make a bamboo structured chamber of 7 feet by 4 feet by 2-2.5 feet. then put alternate layers ofbio degradable materials like peels of vegetables, fruits, banana leaves, etc. and cowdung into the pits upto top level and then apply earthworm (eisenia foetida) species and maintain moisture properly. after 45-50 days the compost will be ready for harvest.