According to the 2001 India census report, Garshyamnagar had a small population of 7354 inhabitants. Males and females constitute an equal proportion of the population. In Garshyamnagar, 8% of the population is less than six years of age. Garshyamnagar has an average literacy rate of 79%, which is higher than the national average literacy rate of 59.5%. The male literacy rate is 84% and the female literacy rate is 75%.
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