A system for producing mesophase coke from an isotropic pitch, the system comprising: a reactor comprising: an entry zone having a container , wherein the said container is being adapted to receive the said isotropic pitch, a first heating zone adapted to carry out pretreating of the said isotropic pitch by operating the said first heating zone at a temperature of 250° C - 350° C under atmospheric pressure, a second heating zone adapted to carry out heating of the said pretreated isotropic pitch by maintaining the temperature of 350° C - 500°C under atmospheric pressure to convert the said isotropic pitch to obtain mesophase pitch, a third heating zone adapted to carry out heating of the said mesophase pitch by maintaining the temperature of 500°C - 800° C under the atmospheric pressure to obtain mesophase coke, and an exit zone adapted to discharge the said mesophase coke from the reactor ; and a pusher unit adapted to: physically move the said container from the said entry zone to the said first heating zone , the said second heating zone , the said third heating zone through the exit zone to obtain the mesophase coke at the said exit zone ; wherein: the said pusher unit comprising a hydraulic pusher system having a hydraulic valve to regulate the flow of the said hydraulic fluid to achieve variable pushing speed. a reactor comprising: an entry zone having a container , wherein the said container is being adapted to receive the said isotropic pitch, a first heating zone adapted to carry out pretreating of the said isotropic pitch by operating the said first heating zone at a temperature of 250° C - 350° C under atmospheric pressure, a second heating zone adapted to carry out heating of the said pretreated isotropic pitch by maintaining the temperature of 350° C - 500°C under atmospheric pressure to convert the said isotropic pitch to obtain mesophase pitch, a third heating zone adapted to carry out heating of the said mesophase pitch by maintaining the temperature of 500°C - 800° C under the atmospheric pressure to obtain mesophase coke, and an exit zone adapted to discharge the said mesophase coke from the reactor ; and an entry zone having a container , wherein the said container is being adapted to receive the said isotropic pitch, a first heating zone adapted to carry out pretreating of the said isotropic pitch by operating the said first heating zone at a temperature of 250° C - 350° C under atmospheric pressure, a second heating zone adapted to carry out heating of the said pretreated isotropic pitch by maintaining the temperature of 350° C - 500°C under atmospheric pressure to convert the said isotropic pitch to obtain mesophase pitch, a third heating zone adapted to carry out heating of the said mesophase pitch by maintaining the temperature of 500°C - 800° C under the atmospheric pressure to obtain mesophase coke, and an exit zone adapted to discharge the said mesophase coke from the reactor ; and a pusher unit adapted to: physically move the said container from the said entry zone to the said first heating zone , the said second heating zone , the said third heating zone through the exit zone to obtain the mesophase coke at the said exit zone ; wherein: the said pusher unit comprising a hydraulic pusher system having a hydraulic valve to regulate the flow of the said hydraulic fluid to achieve variable pushing speed. physically move the said container from the said entry zone to the said first heating zone , the said second heating zone , the said third heating zone through the exit zone to obtain the mesophase coke at the said exit zone ; wherein: the said pusher unit comprising a hydraulic pusher system having a hydraulic valve to regulate the flow of the said hydraulic fluid to achieve variable pushing speed. <EOS>