Option 1: This option suggests that the decree was made because bandhs infringe on the fundamental rights of some groups of people. However, the provided answer states that bandhs are deemed unconstitutional and punitive, implying that there may be another reason for the decree.

Option 2 (Correct): This option states that the decree was made because bandhs are not in exercise of a fundamental freedom. This implies that bandhs are seen as a restriction on the freedom of individuals and organizations, which is not constitutionally protected.

Option 3: This option suggests that bandhs adversely affect production. While bandhs may have negative economic consequences, the provided answer focuses on the constitutional aspect of bandhs rather than their economic impact.

Option 4: This option suggests that bandhs are not a part of the right to protest. While bandhs could be considered a form of protest, the provided answer implies that they are not seen as a permissible or protected form of protest under the constitution.

In conclusion, option 2 correctly explains the reason behind the decree that bandhs are unconstitutional and punitive, as it highlights the restriction on fundamental freedoms.