Which of the following statements about the Vaishnava saint of Assam, Shankardeva, is / are correct?

1. His teachings are often known as the Bhagavati dharma.

2. He encouraged the establishment of satras or monasteries and namghars or prayer halls for the transmission of spiritual knowledge.

3. His major compositions include the Kirtana - ghosha.

Select the correct answer using the code given below: