By Sunil KatariaMUMBAI, May 7 (Reuters) - Nightly explosions of drones and missiles terrified Indian sailor Tithi Chiranjeevi after his ship was stranded in Iran for more than a month by the Strait of Hormuz blockade caused by the Middle East conflict."Around 10 to 20 missiles struck every night. No one could sleep," he told Reuters, describing conditions outside Iran's port of Khorramshahr on his return home last week, after an arduous 15-day journey through Iraq, Armenia, and Dubai.