Which is the best mobile android & windows mobile please tell me?

There is no simple answer to that. If you want to play games and use your device for entertaining purposes, than android. If you want more professional communication device go for windows mobile.
Of course, there are some preety serious apps for Android also, it all comes down to your needs. And do some reading, like http://www.pcadvisor.co.uk/buying-advice/mobile-phone/3414135/which-is-better-android-or-windows-phone/

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Both type of mobiles having unique contents an facilities. If you have doubt on these things just look at this site, http://yourdealindia.com/Mobile-Accessories-depid-286788-page-1.html

Android..
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The best mobile is Google nexus 5.

NISHAT: I think the best mobile is android
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I really like the android mobile as it contains more features and GUI is better then windows phone. http://www.jeeltech.com/

I would like to suggest you
Apple iPhone 4
Galaxy S7
Sony Ericsson Xperia X10 Mini
HTC Legend
Apple iPhone 3GS
Palm Pixi Plus

Best Android Mobile Phones in India February 2018 Google Pixel 2 XL, Samsung Galaxy Note 8, OnePlus 5T and Best Windows Phone in 2018 Lumia 950 XL, Lumia 650, HP Elite x3. https://www.epriceinfo.com

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In the many years since Android, iOS and Windows for Mobile (as it used to be called) have been powering devices everywhere, the way they each look and function has changed significantly.

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For friendly user I suggest Android Phone.
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I think, Nokia 3 is the best android mobile to use.
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