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I am a beginner modeler, trying to get realistic result. I have tried my best but i cannot remove the white spots from my scene in cycles. Lighting is not looking realistic. Please help me how can i do that i have also attached link below.

download file here

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    $\begingroup$ you missed the link... and thus we don't know what you linked... anyway, without knowing full rendering and lighting setup is impossible to give suggestions here.. $\endgroup$ – m.ardito Feb 12 '17 at 12:08
  • $\begingroup$ @m.ardito The link was actually in there...just had to go searching :-) $\endgroup$ – JakeD Feb 12 '17 at 13:12
  • $\begingroup$ yes, now I see there's a 55 (!) MB example file... too big for my mobile connection... $\endgroup$ – m.ardito Feb 12 '17 at 13:39
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    $\begingroup$ increase the size of your sun lamp. Suggested reading: blenderguru.com/articles/7-ways-get-rid-fireflies $\endgroup$ – cegaton Feb 12 '17 at 17:49
  • $\begingroup$ The file is not avaible $\endgroup$ – Fabrizio Sep 5 '17 at 11:54
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1. Read: 7 Ways to Get Rid of Fireflies Once and For All

List of the techniques explained in the article:

  1. Use Bigger Light Sources
  2. Use Bigger Shadow Sizes
  3. Use "Multiple Importance Sampling" for HDRs
  4. Use 'Filter Glossy'
  5. Check "No Caustics"
  6. Use "Clamping"
  7. More Samples

2. Read: Using Portals to Accelerate your Render Times

For an interior scene such as yours, Portals can make a big difference. Portals tell Blender to only channel the environment lighting through a specific area (like a window), which makes for faster, cleaner renders.

3. Learn about the new Denoising feature.

Grab the latest version of Blender (currently 2.79 Release Candidate 2). This includes the new Denoising feature, which works wonders. So after you have done Step 1 and optimized your settings, this is how you can really polish it all up.

※ Note that if Progressive Refine is enabled, Denoising options will be grayed out. Learn more

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