Introduction:
In the medieval period, Hinduism went through significant developments and transformations. These developments included the worship of new deities, construction of temples by royalty, and the emergence of the idea of bhakti. However, the statement that Brahmanas lost their royal patronage is not correct.

Worship of new deities:
- During the medieval period, several new deities were added to the Hindu pantheon.
- This was a result of the integration of various regional and local cults into mainstream Hinduism.
- Devotion to these new deities gained popularity, and they were worshipped alongside the traditional Hindu gods and goddesses.

Construction of temples by royalty:
- One of the significant developments in medieval Hinduism was the construction of temples by royalty.
- Kings and rulers patronized the construction of large and elaborate temples as a display of their power and devotion.
- These temples became important centers of religious and cultural activities, and they contributed to the growth and spread of Hinduism.

Emergence of the idea of bhakti:
- Bhakti, meaning devotion, emerged as a prominent religious practice during the medieval period.
- It emphasized a personal and emotional connection with the divine, rather than mere ritualistic practices.
- Bhakti poets composed devotional hymns and songs, expressing their love and devotion to their chosen deities.
- This devotional movement cut across caste and social barriers and played a significant role in popularizing Hinduism among the masses.

Brahmanas not losing their royal patronage:
- The statement that Brahmanas lost their royal patronage is incorrect.
- Brahmanas, who were the priestly class, continued to play a crucial role in medieval Hindu society.
- They maintained their close association with the ruling elites and continued to enjoy their patronage.
- The Brahmanas performed important religious rituals and ceremonies for the kings and nobles, ensuring their continued influence and status.

Conclusion:
In conclusion, the developments in Hinduism in the medieval period included the worship of new deities, construction of temples by royalty, and the emergence of the idea of bhakti. However, the statement that Brahmanas lost their royal patronage is incorrect. The Brahmanas continued to enjoy their position of influence and maintained their association with the ruling elites.