options for u in 55K are
Canon
1- Used Canon 60D with 18-55 Lens little below 50K
2- Used Canon 600D with 18-55 Lens around 32K + (Optional 50mm 1.8 for round 10K) + (External Flash) + (Soft Box) = 60K or little less.
3- Brand new 600D with 18-55 for 42K + (Optional 50mm 1.8 for round 10K)
Nikon
1- Brand New D7000 Body only for 44K + + (Optional 50mm 1.8D for round 12K)
Forget d3xxx & d5xxx series. Buy once and upgrade after 3 years.
If u wants to spend on D5xxx series, buy d5100 + 50mm 1.8G or 35mm 1.8G, both having autofocus capabilities.