Consider the following statements regarding the Smuggling in India Report, 2021-22:

1. It is released by the Narcotics Control Bureau

2. UAE Dirham constitutes the major part of Foreign Currency Seizures.

3. Heroin seizure constitutes the major part of the drugs quantity-wise.

4. Ambergris or whale vomit produced by the digestive system of sperm whales is used in luxury perfumery.

Which of the above statements are incorrect?