Altogether (adverb): entirely/ completely/ in total (संपूर्ण/ सारा/ कुल मिलाकर)
It is not altogether his fault.
The government ought to abolish the tax altogether.
That'll be Rs 500 altogether, please.
All together (phrase): all in one place or in a group; all at once (सब साथ)
We're all together in this.
They arrived all together.