(Before It's News)
Many children tend to forget whatever they have studied. Still some of them are fearful of examinations and due to this fear forget at the crucial moment during the exams what they have prepared. A Satvik [Pure] Indian Tantra for such problems is the Saraswati Tantra. The talisman given in this post is a Saraswati Yantra, which is prescribed for children to overcome the difficulties mentioned herein above.
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Source:
http://www.prophet666.com/2014/01/saraswati-yantra-for-intelligence.html