We did the EBC trek end of May 2018, all arranged and managed by Visit Heaven. The operator , Mr. Saran, acting personally as chief guide for 14 of us. Most of us are senior citizens, a few had gone down with AMS. But with good care , help and motivation from the guide all of us reached Gorak Shed. Our SSO2 level and heart beats were checked and monitored at regular basis. Emergency evacuation was well arranged and managed. Airport pickup, transfer, meals ,lodgings and permit documentation etc. were all satisfactory arranged. Deserve a 5 star service quality rating !