Solution:

• In India, the composting is practiced in rural areas on the mixture of night soil and refuse.
• Two methods, which are generally adopted here are:
  • Indore Process and
  • Bangalore Process
• Bangalore method is primarily anaerobic in nature, and does not involve any turning or handling of the mass, and is hence more clean than the Indore method.
• The refuse and night soil, in this method, are therefore piled up in layers in an underground earthen trench.
• This mass is covered at its top by layer of earth of about 15 cm depth, and is finally left over for decomposition.