Chakravarti, KabirKabirChakravartiGhosh, RajesRajesGhoshSarkar, SudiptaSudiptaSarkar2025-08-222025-08-222021-12-012331-8422http://arxiv.org/abs/2112.10109https://d8.irins.org/handle/IITG2025/18416A classical black hole is characterized by a horizon that absorbs radiation of all frequencies incident on it. Perturbation of these black holes is well-understood via exponentially damped sinusoids known as quasi-normal modes. Any departure from such classical behavior near the horizon may induce significant modifications in the late time evolution of the perturbation leading to so-called gravitational wave echoes. This work considers the effect of black hole area-quantization on the formation of gravitational wave echoes. We investigate how the resulting echo waveform may depend on various model parameters. Our study opens up a new window to distinguish different models of area quantization using future gravitational wave observations and provides a novel probe to study the near horizon physics.en-USGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theorye-Printe-Print123456789/615