It was narrated that Abu Hurairah said: "The Messenger of Allah (ﷺ) promised that we would invade India. If I live to see that I will sacrifice myself and my wealth. If I am killed, I will be one of the best of the martyrs, and if I come back, I will be Abu Hurairah Al-Muharrar"
Daif IsnaadDaif IsnaadDaifBook 25 · Hadith 90