Complex sentence: Farmers of the locality were adamant they did not want to give land, they agitated under the banner of Bhoomi Raksha Committee, while the then governor was on air and no contact was available with him the police entered the Nandigram area and violence erupted.
Split into simpler sentences: Farmers of the locality were adamant that they did not want to give up their land and agitated under the banner of Bhoomi Raksha Committee. Wile the then-governor was on air and no contact was available with him, the police entered the Nandigram area and violence erupted.