व्याख्या: उपनिषद दार्शनिक ग्रंथ हैं जो वेदों में पाई गई अवधारणाओं का पता लगाते हैं और बाद के वैदिक काल से जुड़े हैं।

व्याख्या: प्रारंभिक वैदिक काल में इंद्र को मुख्य देवता माना जाता था, जो गरज, बारिश और युद्ध से जुड़ा था।

The correct answer is under suspicion. Key Points. The idiom "Under a cloud" means one is under suspicion of doing something fishy. Hence the correct option for the idiom "under a cloud" is "under suspicion".

The correct answer is 'went to bed'. To Hit the sack means to go to bed. After the long journey, he hit the sack as soon as he reached home.

व्याख्या: ऋग्वेद वैदिक काल का सबसे पुराना और सबसे महत्वपूर्ण पाठ है, जिसमें विभिन्न देवताओं को समर्पित भजन शामिल हैं।

The most appropriate meaning of the given idiom "In queer street" is "In debt." In queer street: in trouble, usually because of debt. Example: He will be in the queer street if he continues buying expensive things.

The idiom, 'to be in the doldrums' means 'to be depressed, low spirited or sluggish'. The use of the idiom can be seen in the following sentence: Harry has been in the doldrums ever since he lost his job as a print journalist.

The correct answer is- a positive outlook on life. Let's look at the meaning of the given idiom: Rose-coloured glasses- the tendency to see things in a positive light.