9 to 5 job in software

Question

I have 5 yrs experience in asp.net,sql,vb.net,c#,crystal reports and i stay in mumbai..... I love coding and I think i will not like any other career than this .....Only thing i can't sit in front of computer for longer hours ...I want a 9 to 5 job in software with no latesittings and no working on saturday .Can you suggest me options so as which companies i should be appying to.I don't mind getting lesser pay for this.