Wipro Sr Developer interview questions

I had 2 rounds the first one was telephonic with most of the questions asked were technical. Then the second round was with HR with some more technical questions at the start and then salary negotiations towards the end of the interview.

The interview was fine which focused on data modelling concepts. The hiring process was one of the worst of its kind. After my interview , the HR called and informed me that I would receive my offer within 2 weeks . I never received my offer for nearly 2 and half months. Finally I received a call from the HR that I would have to accept the offer online on the 'Wipro' portal. When I did accept it , they asked me to fill the necessary documents to join Wipro including the drug test. After everything was done I never received any call from them . Finally when I contacted them they said that the position was scrapped and they just laughed and said that their hr process was 'Goofed up'. I did not get the offer. Very unprofessional and worst hiring process that I have ever seen.PUre waste of my time.