DISCARD “KEROSENE KUPPI (DHEBRI)” EMBRACE BATTERY OPERATED “ELECTRONIC KUPPI(DHEBRI)” ABHAI MANSINGH* KNOWLEDGE ACTION AND LEARNING SOCIETY (KAL) 405 ILA,B-7 VASUNDHRA ENCLAVE NEW DELHI -110096 *FORMER PROFESSOR OF PHYSICS & DIRECTOR SOUTH CAMPUS, UNIVERSITY OF DELHI
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ABHAI MANSINGH* KNOWLEDGE ACTION AND LEARNING SOCIETY (KAL) 405 ILA,B-7 VASUNDHRA ENCLAVE
DISCARD “KEROSENE KUPPI (DHEBRI) ” EMBRACE BATTERY OPERATED “ELECTRONIC KUPPI(DHEBRI)”. ABHAI MANSINGH* KNOWLEDGE ACTION AND LEARNING SOCIETY (KAL) 405 ILA,B-7 VASUNDHRA ENCLAVE NEW DELHI -110096 *FORMER PROFESSOR OF PHYSICS & DIRECTOR SOUTH CAMPUS, UNIVERSITY OF DELHI. - PowerPoint PPT Presentation
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