Ramanarayan Tarkaratna (1822- 1886) was a predecessor of the great figure of Bangla as well as of Indian literature(s) Michael Madhusudan Dutt; though nearly forgotten at present. once Ramanarayan was an eminent and prominent personality of the Bangla theatrical space. I would like to consider him as the guiding figure of realistic poetics of Bangla theatre. In 1854. https://fitnessgravesyardes.shop/product-category/roller-arm-bearing-spacer/