A look back into the history of biogas will help here. Tushar Moulik of the Indian Institute of Management, Ahmedabad, had visited China in 1981 as the member of a delegation from India to study the efforts made by that country in developing bio-gas technology. After his visit, he wrote a book called Mao’s China and found that while China learned about the gobar gas technology from India in the late forties, China upscaled it 1,000 more times and made it a bio-gas technology which includes all bio-degradable waste, along with the night soil. This broke the barriers of castes, if at all China had a caste system.
The present work of the Indian Railways is also a step in the right direction and all political parties and news media should support it without complaining.
Chandrashekhar G Ranade, USA
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