Read the paragraph and answer the following questions:
Raga has been manifested through Anibaddha and Nibaddha. Anibaddha refers to free extempore development of a raga. In ancient period, it was done under the concept of Alapti. Alapti is of two types - Ragalapti and Rupkalapti. alapti is governed by Svasthana, there are four types of Svasthana known as Prathama, Dvitya, Tritiya and Chaturtha Svasthana. Rupkalapti is done in two steps, that is, Pratigrahanika and Bhanjani. Bhanjani can further be done in two ways which are Sthaya Bhanjani and Rupak Bhanjani.