Asar-ul-Sanadeed was book upon _____?

Asar-ul-Sanadeed was book upon _____?

عصر السنادید _____ پر کتاب تھی؟
Explanation

Asar-ul-Sanadeed, a detailed historical and architectural account of Delhi.

It was compiled by Sir Syed Ahmad Khan in 1847.

It showcasing his interest in history and culture.