Complex sentence: Modi was a key strategist for the BJP in the successful 1995 and 1998 Gujarat state election campaigns, and was a major campaign figure in the 2009 general elections, eventually won by the Indian National Congress led United Progressive Alliance (UPA).
Split into simpler sentences: Modi was a key strategist for the BJP in the successful 1995 and 1998 Gujarat state election campaigns. He was a major campaign figure in the 2009 general election, which the BJP lost to the Congress-led United Progressive Alliance (UPA).