LETTER OF ACKNOWLEDGEMENT This is to acknowledge that Nirmit Patel from Pandit Deendayal Energy University has attended Amazon ML Summer School 202 2 - an integrated learning program for students on key Machine Learning (ML) topics including Supervised Learning, Deep Neural Networks, Dimensionality Reduction, Unsupervised Learning, Probabilistic Graphical Models , Sequential Learning , Causal Inferenc e and Reinforcement Learning Amazon ML Summer School 202 2 was held virtually across July 2, July 3, July 9, July 10, July 16, July 17, July 23 and July 24, 2022 Date : August 25 , 202 2