How many official languages are currently mentioned in the Indian Constitution?

The rolling ball stops itself after rolling away for some reason, which of the following reasons?

Charaka was the regent?

Who among the following wrote the famous Bengali book called Agniveena?

The short term variations of the atmosphere, ranging from minutes to months are called

In which ocean the largest number of islands are found?

Who among the following was against the unification of Italy and Germany?

Which of the following festivals is related to the state of Tamil Nadu?