The Flag code of India came into effect from?

The Flag Code of India is the country's consolidated set of rules governing the display, hoisting, and use of the National Flag (the Tiranga) by the government, private organisations, and citizens. Before 2002, flag usage was addressed through a non-statutory administrative 'Flag Code -- India' alongside separate legal instruments such as the Emblems and Names (Prevention of Improper Use) Act, 1950, and the Prevention of Insults to National Honour Act, 1971 -- and citizens could fly the flag only on specified national occasions, not as a general right.

The Government of India brought the earlier administrative Flag Code, these legal provisions, and related conventions together into one comprehensive document -- the Flag Code of India, 2002. The Ministry of Home Affairs notified this consolidated Code to take effect from 26 January 2002, coinciding with that year's Republic Day, and it also removed the earlier restriction so that private citizens could fly the National Flag on all days, not only on specified national occasions.

• From 26 January, 2001 -- this shares the Republic Day date but falls a year before the Flag Code of India, 2002 was actually notified; the earlier, non-statutory administrative Flag Code and separate legal provisions were still in force at this point.

• From 15 August, 2001 — this combines an earlier year with Independence Day rather than Republic Day, and matches neither the year nor the day of the Code's actual notification.

• From 15 August, 2002 — this has the correct calendar year but wrongly places the Code's notification on Independence Day; the Code was in fact notified to take effect on Republic Day of that year.

Since the Flag Code of India, 2002 was officially notified by the Ministry of Home Affairs to take effect from 26 January 2002, the answer is From 26 January, 2002.