Lenovo Laptop. 40-50K. Good battery life. Good build.

[Sushubh]

To be used for regular office work. MS Office. Product photos management. Email etc. Legit Windows preferred.

 

[x720]

One of the Yogas fits your budget. Around 47k, iirc.

 

[Sushubh]

Suggested these for now.

http://amzn.to/1KubEqs
http://amzn.to/203W4NP
http://amzn.to/1NrLARp
http://amzn.to/1PLCaCA