Solar energy has been used from ancient days on wards in India as well as other countries of world. In India context in MAHABHARATUM written by Sage Veda Vysa usage of solar energy for cooking has been mentioned. In the present book how the basis of sun movement in various seasons was presented as mentioned in BHAGAVATUM written by sage VedaVysa. From this conclusions has been drawn regarding reflector design. In spite of this temple gopurum Shapes of Indian architecture was also considered for black trough design. Regarding coatings modern paints has been used. Regarding painting of black vessels olden days paints manufacturing is under study.
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