Management of appliances: Opt for appliances that are compact and save space. These include built-in refrigerators, oven, as well as appliances that can be hung underneath cabinets like microwaves.
2 Storage: Choose cabinets which have maximum storage capacity and drawer units, rather than shelf unit. Use corner solution like revolving carousels, shutter units to keep most of the small appliances within units like mixer, toaster, electric kettle so that the worktop is clean.
3 Worktop: For your work area, consider a small scale island or counter-topped cart that can be rolled away when not used.
4 Colour combination: If your kitchen size is small, choose some light colour scheme with combination of glass, which will make your kitchen look more spacious and bigger.
5 Work Area: A big size sink in a small kitchen would not be a practical solution, as a big sink would occupy more working counter. A dishwasher near the sink would be a nice idea as you can use that not only for washing but also storing the utensils.
(With inputs from Anurag Saxena, Hacker Kitchens)