Gita Madhurya -Swami Ramsukhdas
The Lord in the twenty-third verse of the sixteenth chapter declared that he, who having cast aside the ordinances of the scriptures, acts under the impulse of desire, attains neither perfection nor happiness nor the Supreme Goal. Listening to the Lord's statement Arjuna thinks that only a few people know those ordinances but they worship the gods etc., according to their caste, social order (Asrama) and family tradition, impressions on mind etc. So Arjuna wants to know where such people stand. Therefore he puts the question to Lord Krsna in the first verse.