Complex sentence: The Sarai was built in November/December 1919 soon after the World War I at a cost of Rs.1 lakh, the building's original name was "Sulah Sarai", (a peaceful resting place).
Split into simpler sentences: The sarai was built in November/December 1919 soon after the World War I at a cost of Rs.1 lakh. The building's original name was Sulah Sarai (a peaceful resting place).