Haa Sleeper rush kaafi hota hai. Itna easily Sleeper passengers migrate nahi hone wale.
But if you observe IR slowly Sleeper class ko khatm kar rahi hai. Ab kaafi trains mein 6 Sleeper hi lage hote hai. Dheere dheere ye 6 Sleeper mein se 1-2 Sleeper ko 3E karenge, fir aage badhenge.