Aindrī (Aindri) is another name of Ekānaṁśā (Ekanamsa), sister of Vāsudeva-Kṛṣṇa (Vasudeva-Krishna). Basically, she is a form of Śakti (Sakti) Mahāmāyā (Mahamaya).

Skandapurāṇa Vols. 1-7((Mahesvara/Kumarika) 65.4)