Several scholars have suggested that the Prajñāpāramitā sūtras, which are among the earliest Mahāyāna sūtras, developed among the Mahāsāṃghika along the Kṛṣṇa River in the <answer>Āndhra</answer> region of South India.
The Prajnaparamita sutras were developed along the krsna river in what region of South India?
Āndhra