Take a boneless chicken, add BBQ sauce, salt, mustard, chili, mix it and leave it for 15 minutes.
After 15 minutes add chicken in pan cover it and cook it, when sauce is little dried add 2 tbsp oil in it and cook it till chicken becomes brown and tender.
Take chicken and cut it in chunks.
Take mayo add chopped carrot, bell pepper, cucumber, jalapeno, salt, black pepper, and mix it.
Take a bread slice spread mayo on it, then chicken chunks, then boiled egg slice and close it with bread slice.