Is the ganga a proper grammatically used?

"Ganga" itself is not a grammatically incorrect word, but it depends on how it's used in a sentence.

Here's why:

* "Ganga" is a proper noun. It refers to the specific river in India. Proper nouns are capitalized in English.

* The grammatical use depends on the context. For example:

* "The Ganga River is sacred to Hindus." This is a grammatically correct sentence using "Ganga" as the subject of the sentence.

* "I took a boat ride down the Ganga." This is also grammatically correct, using "Ganga" as the object of the preposition "down."

Let me know if you have a specific sentence you'd like me to analyze!