The world is surprisingly small; it is used to express amazement at meeting someone or discovering someone you know in an unlikely place.
दुनिया छोटी है
English Usage: I ran into my old college roommate while vacationing in Greece—it's a small world!
Hindi Usage: ग्रीस में छुट्टियाँ मनाने के दौरान मुझे मेरा पुराना कॉलेज रूममेट मिला - दुनिया छोटी है!
duniya choti hai, duniya chhoti hai, duniya choti he, duniya choti h, duniya chhoti he, duniya choti hain, duniya choṭī hai, duniyā choti hai, duniyaa choti hai