What you've described (new URL structure, no redirects from old URLs) would be indeed very harmful for your site. Well, to be precise, it would do harm to each individual...

If you go for the .com, it would be interesting to revisit this change in one month or so. Keep us updated!

That's a tough one. If you keep it on .co.in, it will probably negatively affect your CTR for western countries. If you move it to .com, it won't feel so domestic for ind...

I think that this is pretty common situation. At least, it happened to me multiple times already. DR is not a real-time metric. It takes time to spider all the links, do...

But never forget to first choose the right domain

First follow some basic step of SEO like: General Setup -Install google Analytics-Set up Destination goal -Set up google webmaster tool -Link google webmaster tool with g...

Exactly ^ I think Ahrefs will help not just for checking ranks but they also have much more data to work with.

You can just signup for a free trial on ahrefs

Directory submission for SEO still works fine. But it has to be done properly and relevantly. Adopt an up to date link-building strategy to your directory submission camp...

Just keep it forever.