WHAT ARE THE IMPORTANT YOGA MUDRAS ?

The following are the important Yoga Mudrās:
(1) Mahāmudrā
(2) Nabhomudrā
(3) Uddīyānam
(4) Jalandharam
(5) Mūlabandha
(6) Mahābandha
(7) Mahāvedha
(8) Khecarī
(9) Viparītakarī
(10) Yoni
(11) Vajrolī
(12) śakticālanī
(13) Tādāgī
(14) Māṇdukīmudrā
(15) śāmbhavī
(16) Pañcadhāraṇā
(17) Aśvinī
(18) Pāśinī
(19) Kākī
(20) Mātañgī
(21) Bhujanginī 

WHAT ARE THE TWELVE DIVINE NAMES OF SACRED RIVER GANGA ?

The following are the twelve divine names of the sacred river Gangā:
(1) Nandinī
(2) Nalinī
(3) Sītā
(4) Mālatī
(5) Malāpahā
(6) Viṣṇupādābjasambhūtā
(7) Gangā
(8) Tripathagāminī
(9) Bhāgīrathī
(10) Bhogavatī
(11) Jāhnavī
(12) Tridaśeśvarī