The basic concepts of Vector Algebra in Class 12 Maths are:

• Vectors, i.e. quantities which have both magnitude and direction.
• Types of Vectors like unit vector, zero vectors, position vectors, collinear and coplanar vectors.
• Vector Operations like addition and subtraction.
• Dot product and cross product of Vectors

These concepts will help to grasp the Vector algebra chapter effectively, and they are also used in various real-world applications.