Mr. Nitin Bhide, who is an acclaimed Thinking Craftsman, Passionate Programmer, Mentor, Consultant, Trouble Shooter in the ITS sector gave a lecture on Cache. He started with the concept of cache and buffer. He also explained the application of cache in software such as Proxy cache, Router cache , DNS cache, Query cache, CDNS etc. Later, he talked about page replacement techniques such as LRU,Random Eviction and FIFO. In Non-software, cache can be applied in the working memory of the brain, (Noguchi)filing system, kitchen etc.. He concluded with the various problems of cache such as Buffer bloat in router, DNS Cache poisoning attack, Cache side channel attack.