Dear Ashok, yes organic farming helps in sustainable environment, In Organic farming expensive inputs like chemical fertilizers, pesticides and other agri inputs are not used for cultivation of crops.
It involves locally available resources like compost, farm yard manure (FYM), vermin-compost, jeeva-amrutham etc. these preparations can be made by the farming community itself.
Organic farming protects the soil, water, air and environment.
Organic farming is sustainable model in the present agricultural situation and many farmers are practicing organic farming. Therefore organic farming is contributing to the sustainable development. Hope this helps you, would you like to know any thing else?