One of the balloons that will glide at an altitude of 35km with equipment to capture images of the eclipse on July 22
A city based research institute is planning to use balloons to study the total solar eclipse on July 22.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/balloon-borne-study
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/telegraph-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/physical-science
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/astronomy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/calcutta-d
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/raiganj