Requirements : holding structure for the concrete column , pickaxe , Cement , Sand , Stones , Water , Some wire
Procedure : 1) first of all make normal mortar by mixing Cement: Sand : Stones in the ratio 1 :3 : 3
2) erect the iron rods in the foundation beforehand
3) make a contraption to hold the mortar
4)secure the contraption onto the iron rod
5) pour the concrete in it from above and constantly vibrate or move it so that the mortar can settle below
