When did Alexander the Great invade India

327 B.C.
The invasion of India began in the summer of 327 B.C. Alexander proceeded as he had in his Persian conquest, vanquishing city by city. Many cities surrendered without a fight; those that did not were usually massacred without mercy. Alexander soon gained the support of Ambhi, the ruler of Attock.

This sentence is true.

February 1848 is when it was added. if that's what you were asking