Prodapt Solutions Full Stack Developer interview questions

Most unprofessional people running a company. They took my interview twice - first face to face another time skype interview. The face to face interview round had in total four rounds, first Java, second angular, third meeting with one director (do not remember his name) fourth with the HR (whose name I remember very well but not feel like reveling it). In the HR round the HR had a salary discussion with me, asked for my last 3 months pay slip which he asked to mail him. Then for the next few days there was no response from them. After I called them they said my profile was being processed and is waiting for approval from the Machine Learning project manager which project I will be allocated to. I waited for another week, still there was no response. On asking the hr he said the same and then I lost hope. Then came another twist to this story. After few days they called up and said I need to attend another interview with another director. I was out of town and said I cannot appear for a face to face discussion so they scheduled a Skype interview. I took that interview and the question were of HR kind. The lady who took my interview said they will declare the result of the interview by mid week(the interview was on one Monday). I waited till the end of the week. Again there was no response. Then again I called the HR and again the same story. Now I also thought I will see this till the end. Every week I used to call and they used to tell new stories every time. The final story was the most hilarious one after which I stopped calling. The story was my notice period of 60 days to too much. Can I opt for a buy out? The company who has taken 60 days to tell me this thing is saying 60 days is too long of a notice period. Shame of such a company and such a HR who after taking interview twice do not bother to send a formal email saying - we cannot process you profile further.