New Delhi, Jun 24: With no word from Tehran yet, India is all set to send legal request letters to four nations including Iran seeking help in its probe into the bombing of an Israeli embassy’s vehicle here in February. Official sources said today that Letters Rogatory for Iran, Malaysia, Thailand and Georgia has been sent to Union Home Ministry for vetting after which it would sent to Legals and Treaty Division of Ministry of External Affairs to be sent to these respective countries. The sources said Iran had been earlier requested through diplomatic channels for help in tracing Houshang...