What is 'mamata' (the sense of 'mine-ness') and how does it differ from simple desire in Hindu philosophy?

Two kinds of attachment

Hindu philosophy draws a clear line between two things that often get mixed together. Kama is wanting something you do not have. It pulls you toward what is outside you. Mamata is different. It is the feeling of ownership, the sense that something or someone is yours. 'My house.' 'My child.' 'My reputation.' The thing is already there. What mamata adds is the identification, the feeling that this object or person is part of you.

Both bind the mind, but in different ways. Kama drives you to chase and grasp. Mamata makes you cling to what you already hold. Losing what you desire hurts. Losing what you feel is yours can feel like losing a piece of yourself.

Why 'mine-ness' runs deeper

The tradition treats mamata as especially subtle and hard to see. You can notice when you want something. It is harder to notice that you have quietly decided something belongs to you. A person may give up obvious desires and still feel a strong pull of mamata toward their family, their good name, or even their spiritual progress. The tradition points out that mamata can attach to almost anything, including things that seem selfless.

The Gita describes the person who is free from mamata as one who has let go of possessive identification altogether. That person, the tradition says, finds peace. This is not about giving things up physically. It is about the inner sense of ownership loosening its grip.

How thinkers have explained it

Commentators on the Gita have spent a lot of attention on this word. The sense they draw out is that mamata is a kind of false extension of the self. The mind reaches out and wraps itself around things and people, treating them as if they were the self. When those things change or go, the mind feels torn. The problem, in this view, is not the object itself but the identification. The tradition holds that the self and the things we call ours are not the same, even though the mind keeps treating them as if they are.

In everyday life

Most people feel both kama and mamata without naming them. You might want a new job, and that is kama. But once you have it, you may feel it is yours in a way that makes any threat to it feel personal. That shift is mamata. The tradition does not say these feelings are shameful. It simply says they are worth noticing, because they shape how much the mind is at rest or in turmoil. How far a person takes that observation is a personal matter.