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Complementarity have been an intriguing feature of physical systems for along time. In this work we establish a new kind of complimentary relations inthe frame work of quantum information processing tasks. In broadcasting ofentanglement we create many pairs of less entangled states from a givenentangled state both by local and non local cloning operations. These entangledstates can be used in various information processing tasks like teleportationand superdense coding. Since these states are less entangled states it is quiteintuitive that these states are not going to be as powerful resource as theinitial states. In this work we study the usefulness of these states in taskslike teleportation and super dense coding. More precisely, we found out boundsof their capabilities in terms of several complimentary relations involvingfidelity of broadcasting. In principle we have considered general mixed as aresource also separately providing different examples like a) Werner likestates, b) Bell diagonal states. Here we have used both local and non localcloning operations as means of broadcasting. In the later part of our work, weextend this result by obtaining bounds in form of complimentary relations in asituation where we have used $1-N$ cloning transformations instead of $1-2$cloning transformations.

Complementarity in Quantum Information Processing Tasks