A combustor for a gas turbine comprising: a combustion chamber ; and a fuel nozzle assembly mounted in the combustion chamber and connected to an end plate of the combustion chamber , the fuel nozzle assembly including: an inner fuel nozzle ; a plurality of outer fuel nozzles disposed radially around the inner fuel nozzle , each outer fuel nozzle including a central body for fuel injection and a shroud spaced apart from and surrounding the central body , the shrouds of the outer fuel nozzles forming an outer periphery (OP) of the fuel nozzle assembly by a series of outwardly facing edges of the shrouds , and wherein each of the outer fuel nozzles comprises an inlet for air formed at one end of the shroud and a fuel nozzle rim formed at the inlet of the shroud , wherein the fuel nozzle rim extends from the shroud with the same or increased thickness as that of the shroud and follows an outwardly extending curve having a uniform curvature radius (Ra, Rb); and wherein the fuel nozzle rims collectively define a peripheral rim formed and disposed at the outer periphery (OP) of the fuel nozzle assembly ; characterized in that the fuel nozzle rim of at least one of the plurality of outer fuel nozzles is formed at a portion of the inlet of the shroud and forms an angle (θ) ranging from 90 degrees to 240 degrees around a center of the outer fuel nozzle and is included in the peripheral rim . a combustion chamber ; and a fuel nozzle assembly mounted in the combustion chamber and connected to an end plate of the combustion chamber , the fuel nozzle assembly including: an inner fuel nozzle ; a plurality of outer fuel nozzles disposed radially around the inner fuel nozzle , each outer fuel nozzle including a central body for fuel injection and a shroud spaced apart from and surrounding the central body , the shrouds of the outer fuel nozzles forming an outer periphery (OP) of the fuel nozzle assembly by a series of outwardly facing edges of the shrouds , and wherein each of the outer fuel nozzles comprises an inlet for air formed at one end of the shroud and a fuel nozzle rim formed at the inlet of the shroud , wherein the fuel nozzle rim extends from the shroud with the same or increased thickness as that of the shroud and follows an outwardly extending curve having a uniform curvature radius (Ra, Rb); and wherein the fuel nozzle rims collectively define a peripheral rim formed and disposed at the outer periphery (OP) of the fuel nozzle assembly ; characterized in that the fuel nozzle rim of at least one of the plurality of outer fuel nozzles is formed at a portion of the inlet of the shroud and forms an angle (θ) ranging from 90 degrees to 240 degrees around a center of the outer fuel nozzle and is included in the peripheral rim . an inner fuel nozzle ; a plurality of outer fuel nozzles disposed radially around the inner fuel nozzle , each outer fuel nozzle including a central body for fuel injection and a shroud spaced apart from and surrounding the central body , the shrouds of the outer fuel nozzles forming an outer periphery (OP) of the fuel nozzle assembly by a series of outwardly facing edges of the shrouds , and wherein each of the outer fuel nozzles comprises an inlet for air formed at one end of the shroud and a fuel nozzle rim formed at the inlet of the shroud , wherein the fuel nozzle rim extends from the shroud with the same or increased thickness as that of the shroud and follows an outwardly extending curve having a uniform curvature radius (Ra, Rb); and wherein the fuel nozzle rims collectively define a peripheral rim formed and disposed at the outer periphery (OP) of the fuel nozzle assembly ; characterized in that the fuel nozzle rim of at least one of the plurality of outer fuel nozzles is formed at a portion of the inlet of the shroud and forms an angle (θ) ranging from 90 degrees to 240 degrees around a center of the outer fuel nozzle and is included in the peripheral rim . <EOS>