What you think canonical tags are Important, 301 stand for? How they are different?

301 is used when we need to do permanent redirection.

Both are the best option.

Really both are different

Thanks :) @kapil and @Ranjeet for your valuable comments.

Canonical tags are Best option for dealing with duplicte content.
A 301 redirect is designed to help users and search engines find pieces of content that have moved to a new URL.
301 redirect means permanently moved from old url to new Url

A canonical URL allows you to tell search engines that certain similar URLs are actually one and the same. Sometimes you have products or content that is accessible under multiple URLs, or even on multiple websites. Using a canonical URL (an HTML link tag with attribute rel=canonical) these can exist without harming your rankings.

@Sneha Royj- Good :) Thanks for your valuable comment.

hi.. both are different things..

जहां सुई की आवश्यकता होती है वहां तलवार काम नहीं आती.