Well Its depend on article sites. Most of the high PR article sites do not allow more then 2 anchor text link into the article body. So first you have to read the submission policy before posting article.

I think 2 is enough

hello sachin the question u have asked that it's also in my mind from last few days that how many link that i can post in 1 article.

If i shared with you my experience that i usually 2 to links in a article and my article is around 500 words to 600 words.

I think SEO point of view 2 anchor text in 500 word

You need to know about keyword density.
Details about anchor text :https://www.gotchseo.com/anchor-text/

The best SEO web optimization practice 2 connections link is all that anyone could need for 500 word article.

You can add 2 to 3 Anchor text in 1 article.