Windhows and android Application

I am looking to have an application developed that will work across both Windows and Android. This application requires some customizations specific to my business needs. I am looking for a skilled Freelancer to bring my ideas to life. Experience developing applications for both platforms is a must, as this project requires a comprehensive understanding of the development cycle from design to execution. The successful Freelancer will be expected to design, develop, and test the application across both platforms to ensure a smooth and successful launch. And if he/she is from Pune(India) and I like the way the work is done, may enter into partnership for related business. Its an Accounting application requirement, with MS-SQL database system. android app will run on LAN. Data backup options. Tally-XML format export, and many things.