  We present the results from the measurement of secondary cosmic gamma-ray
flux using a NaI(Tl) scintillator detector during a total solar eclipse. The
unique feature of this experiment is that it was carried out at a place where
the solar eclipse was not observable. The total solar eclipse of August 21,
2017, was visible in most of the regions of North America during the day,
whereas India, falling on the other half of the globe missed this particular
eclipse. Our aim was to measure and examine if there are any variations in the
secondary cosmic ray (SCR) flux at Kolkata, India due to the occurrence of the
eclipse in America. Detailed experimental techniques used for this experiment
are mentioned in this article. Method of data analysis and results are
presented. We observe unexpected dehancement and enhancement of SCR flux in
certain energy regions.
