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The Open Distance Learning (ODL) concept is fast becoming popular all over the world and it has a lot of relevance for a highly populated country like India. However, the most important aspect of this type of teaching-learning process is establishment of the credibility especially when the laboratory based science programmes are delivered from such institutions. The apprehensions arise because teaching laboratory based science related subjects at a distance is difficult due to students'doaj:aac492b1da5d44bcb97deadbc6e202ac fatcat:fe7565cc3vhuzdn7fkwdl3jd2e