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The importance of gravitation on the large scale is due to the short range of strong and weak forces and also to the fact that electromagnetic force becomes weak because of the global neutrality of matter as pointed by Dicke and Peebles [1965]. Motivated by the occurrence of large number hypothesis, Dirac [1963] proposed a theory with a variable gravitational constant (G). Barrow [1978] assumed that G α t-n and obtained from helium abundance for –

C-Field Cosmological Model for Barotropic Fluid Distribution with Variable Gravitational Constant