Tejas Networks interview questions

They shortlisted my resume took the interview. I performed well got shortlisted mail for next hiring manager round and then hr stopped picking up the call . Got very much disappointed

asked about the technical skills mentioned in the resume ,Asked about java ,network related question,oops,layers of network ,asked about EEE b tech,core cocept ohm law ,circuits and power systems concepts and programming cide sprime,palindrome,oops all 4 codes etc.