Hi, before try any healing please read the book advance pranic healing with color,
in general, invoke God, Guru, Healing angeles then see for any cord in any chakra and in your foot, do general wiping twice and local wiping on painful area and sore chakra with light whitish green and light whitish orange for at least 30 times, energies with light whitish green, light whitish blue, light whitish violet (note do not use red or orange if you have inflame), clean navel and basic chakra with light whitish green and light whitish orange, energies with white prana.