Which of the following reason(s) was/were considered necessary for the Constitution (Seventy-Seventh) Amendment Act, 1995 inserting Article 16(4A)? 1. Inadequacy of representation of the Scheduled Castes and the Scheduled Tribes in services in the States. 2. Reservation in promotion was held constitutionally impermissible in Indra Sawhney v. Union of India, AIR 1993 SC 477. 3. To prevent qualitative exclusion of the Scheduled Castes and the Scheduled Tribes in services in the States. 4. To achieve inter-locking in horizontal and vertical reservation among the Scheduled Castes and the Scheduled Tribes in services in the States. Select the correct answer from the following:

Answer: Option B