Plague epidemic in Surat in 1995 has occurred after a 'silence period' of
The last case of plague in India was repoed in 1966 and after that there was a 'silence period' of 28 years till the reappearance of the disease in September 1994, when there was an outbreak of bubonic plague in Beed district of Maharashtra and pneumonic plague in Surat (Gujarat).
18 years
23 years
28 years
30 years
All India exam