Is religion and spirituality inter related.....?

True Religion Promotes Spirituality

This skeptical view of religion is understandable. Many religious organizations are mired in political intrigue and moral hypocrisy and are drenched in innocent blood from countless religious wars. However, while rejecting the religious organizations that are sullied by hypocrisy and deception, some have made the mistake of also rejecting the Bible, which they think condones such practices.

In reality, the Bible condemns hypocrisy and lawlessness. Jesus said to the religious leaders of his day: “Woe to you, scribes and Pharisees, hypocrites! because you resemble whitewashed graves, which outwardly indeed appear beautiful but inside are full of dead men’s bones and of every sort of uncleanness. In that way you also, outwardly indeed, appear righteous to men, but inside you are full of hypocrisy and lawlessness.”—Matthew 23:27,*28.

Moreover, the Bible encourages Christians to be neutral in all political affairs. Rather than urging believers to kill one another, it directs that they should be willing to die for one another. (John 15:12,*13; 18:36; 1*John 3:10-12) Instead of being “intolerant and divisive,” true religion, based on the Bible, is “broadly inclusive.” The apostle Peter said: “God is not partial, but in every nation the man that fears him and works righteousness is acceptable to him.”—Acts 10:34,*35.

Religion is a man-made mechanism meant to be a guide along a spiritual path. It is, however, not a necessity.

Religion is the mind trying to explain....
What the heart knows as Spirituality

Of course. I think the only thing that deals with Spirituality is Religion.

For example, in Islam we have the various things we have to practice or attain, such as Tasawuf and Tauhid, to obtain spiritual salvation in this world as well as in the world here after.

Yes and no it all depends on the connection.