The ruling Left-led coalition in Kerala today scored a big win in local body polls. The Left Democratic Front (LDF) is currently leading in 520 of 945 grama panchayats and the opposition Congress-led United Democratic Front (UDF) in 371. The LDF is also winning 10 of 14 district panchayats -- compared to the seven it held -- and 108 of 152 block panchayats, according to State Election Commission figures.