Calsoft Junior Software Engineer interview questions

1st there was a online test thats was consist of C programming(mostly pointer) next part was core subject like OS and stuff..next part was Logical reasoning (40 questions 30 min)..next day i got a mail that i got selected for the next round which was coding round where there was 3 questions..I solved two and got selected they told us that Interview will happen on the same day instead the next day..I interviewed at 11:45-12:20... yes at mid night..I was completely tired just wanted to go home..There were 3 HR round..2 technical and 1 hr..If u complete the 1st technical u go the the next one and so on..I got disqualified in the 2nd technical interview round..For only 3.75lpa they conducted 5 rounds...its not fair.They took 5-10 i don't remember