Complex sentence: In parallel, Indicus brought out a sequence of databases that provided estimated data on consumer demography at a district, city or neighborhood level; and also time series sectoral GDP estimates at the district level, contributing to the work collaborated upon by the two.
Split into simpler sentences: In parallel, Indicus brought out a sequence of databases that provided estimated data on consumer demography at a district, city or neighborhood level. The company also forayed into time series sectoral GDP estimates at the district level, contributing to the work collaborated upon by the two.