Day-13: Batal-Rohtang passDistance : 64 kmBatal to Chatru : 32 Kms undulating and descent through Chota DharaChatru to Rhotang pass : 32 Kms.Undulating, Descents,ascents till Gramphoo and gradual ascent till Rhotang pass.I didn't have a good sleep due to the speculations on stream crossings, which made me wake up exactly on time to start at …