** Biocon BION.NS falls 1.5% to 348 rupees; set to snap four-session gaining streak
** Biopharmaceutical co's U.S. manufacturing site in New Jersey's Cranbury gets one observation from U.S. FDA post inspection
** Cranbury site inaugurated last month
** Co says it will address observation within stipulated time; observation not expected to have any impact on business operations
** BION down ~5% YTD