The body of the soldier was brought to his home here this morning from Pangode military hospital to enable the family and public to pay their last respects.
The remains were later taken to Shanti Kavadam, the state-owned electric crematorium, where the last rites were held before it was consigned to flames.
The late Major's widow Beena, 12-year-old son Vedhant, and other family members were among those present at the crematorium.
Opposition leader Ramesh Chennithala was also present.
The body was brought to Kerala yesterday and kept overnight at the Pangode military hospital.
Major K Manoj Kumar was among the 19 army personnel killed in the massive blaze at the Asia's biggest Central Ammunition Depot at Pulgaon on May 31 in Wardha district of Maharashtra.