bio digestor
↔↔↔↕↕↕↔↔↔ waste management is very hot topic and a big issue in India. so if students provide few solution to the waste problem the certainly it will be a nice project for school or college going students. believe me it is easy to think about the solution for this problem and you can come up with a solution model under the our guidance. in the sequence of the solution Bio digestor is a unique thing that is being popular in india even at household level(earlier it was the mainly used agri farm to manage the animal waste).