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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Saurabh 1
Clearly in path 2 , one can see increase in physical conditions (pressure and temperature) or in general a characteristic of prograde Metamorphism. This path is considered to be the norm for regional metamorphism which involves intense deformation(or one can say a typical P-T-t path for an orogenic belt which experiences crustal Thickening)... So correct option is (b) Path 2...