Standard interview as in similar companies. Usual technical rounds. Questions around deep technical capability. Application of technology in previous roles with examples. Why are certain design patterns chosen etc. Very conceptual questions to gauge the level of expertise. If you have worked on the technology and have understood it well, interview is very fair.

Its was Difficult Yet Interesting - Very nicely , because the HR was more interested in knowing my passion and interest for their company and growth i look for myself and contribution towards company , i didn't feel like disrespected !!! and currently working as a Happy Employee