EMU Electric multiple unit usually for distances upto 150 kms
MEMU Mainline Electric Multiple unit for distances > 150 kms.
But Subrat Srivastav jaise negative IQ holders ko shayaad ye nahi malum hai ki MEMU ki MPS 95 kmph hi hoti hai ЁЯШВЁЯШВЁЯШВЁЯШВЁЯШВЁЯШВЁЯШВ