This is an assertive sentence. The given sentence is in Direct Speech. The given sentence is in Direct Speech because it quotes actual words. Therefore, it must be changed into Indirect Speech.

* The inverted commas (“ “) used in Direct Narration is removed in Indirect Narration and “that” conjunction is used.

* “Said to” changes to “told” in indirect speech as it is followed by an object (us).

* As the reporting verb is in the Past tense (‘said’). Modal verb “will” changes to its past equivalent form “would”.

* Also, the second person pronoun (You) of the reported speech is changed according to the object (us) of the reporting verb i.e. “us” is used.

So, with the help of the above structures, we can convert the given sentence into indirect speech: The yoga instructor told us that doing yoga daily would help us to develop a healthy mind and body.

Hence, option C is the correct answer.

To change simple sentences into indirect speech, following rules will be used:

• The inverted commas (“ “) used in Direct Narration will be removed in Indirect Narration and “that” conjunction will be used.

• The reporting verb “said” will remain the same in the indirect speech as it is not followed by an object.

• Since the reporting verb is in the past tense, we will make changes to the reported verb. The simple past tense will be changed to the past perfect tense.

• The First-person pronoun, ‘I’ will change according to the subject (watchman) of reporting speech i.e. ‘I’ changes to ‘he’.

• “Last night” will be changed to “previous night” in the indirect speech.

The sentence in the indirect form will be: The watchman said that he had not seen anyone the previous night.

Hence, option A is the correct answer.

The sentence is given in indirect speech and the reporting bug is in past tense. The rules for changing such sentences are as follows.

• The verb “ask” will remain the same in the direct speech.

• The inverted commas (“…”) will be introduced.

• The subordinate clause (when……project) will be written in the interrogative format, i.e. “wh word+ helping verb (here modal) + subject + V1……”.

• Third person Pronouns will be changed into first person pronoun according to the subject of the sentence “The students”. Thus, “They” and “Their” change into “we” and “our”.

• The question mark is added at the end of the sentence.

Thus, the correct sentence in the direct speech will be: The students asked the teacher, "Where can we find the information for our project?"

Hence, option C is the correct answer.

This is an exclamatory sentence. The given sentence is in Direct Speech. The given sentence is in Direct Speech because it quotes actual words. Therefore, it must be changed into Indirect Speech.

* The inverted commas (“ “) used in Direct Narration is removed in Indirect Narration and “that” conjunction is used.

* “Said” changes to “exclaimed” in indirect speech since it is an exclamatory sentence. Also, based on interjection used here i.e. “Hurrah!”, we will use “joy” with reporting verb “exclaimed”. Thus, “exclaimed with joy” is used. Note: We can also use adverb “joyfully” in place of noun “sadness”. Like “exclaimed joyfully” can also be used.

* Also, “!” is removed in indirect speech.

* As the reporting verb is in the Past tense (‘said’). Present perfect tense (have won) changes to past perfect tense (had won).

* Also, first person pronoun (I) of the reported speech is changed to pronoun (she) according to the subject of the reporting verb (Garima).

So, with the help of the above structures, we can convert the given sentence into indirect speech:
Garima exclaimed with joy that she had won the premiere badminton tournament abroad.

OR

Garima exclaimed joyfully that she had won the premiere badminton tournament abroad.

Hence, option A is the correct answer.

This is an assertive sentence. The given sentence is in indirect speech.

The actual words will come under inverted commas (“”).

‘Told’ will be changed to ‘said’.

As the sentence is in simple past tense, it will be changed to simple present tense i.e. ‘was giving’ will be changed to ‘is giving’.

So, the correct sentence is- She said to the car mechanic, "My car is giving very low mileage."

Hence, option B is the correct answer.

This is an exclamatory sentence. The given sentence is in Direct Speech. 

• The inverted commas (“ “) used in Direct Narration is removed in Indirect Narration and “that” conjunction is used.
  
  
• The reporting verb “said” will be changed to “exclaimed” in indirect speech since it is an exclamatory sentence. Also, based on interjection used here i.e. “Alas!”, we will use “sadness” with reporting verb “exclaimed”. Thus, “exclaimed with sadness” is used. Note: We can also use adverb “sadly” in place of noun “sadness”. Like “exclaimed sadly” can also be used.
  
  
• Also, “!” is removed in indirect speech.
  
  
• As the reporting verb is in the V2 form, the tense of the speech will change from the simple present tense (are) to the past tense (were).
  
  
• The pronoun "our" will change to "their". 

So, with the help of the above structures, we can convert the given sentence into indirect speech:
The emperor exclaimed with sadness that their enemies were well equipped with tanks, missiles and rockets.

OR

The emperor exclaimed sadly that their enemies were well equipped with tanks, missiles and rockets.

Hence, option B is the correct answer.

The given sentence is in Direct speech because it quotes actual words. Therefore, it must be changed into Indirect speech.

To change question sentences into indirect speech, following rules will be used:

• ‘Said to’ is changed to ‘asked’.

• Inverted commas (" ") will be removed.

• As the reported speech is in YES/NO question form then ‘if’ will be used before reported speech.

• ‘Will’ changes to ‘would’ in the indirect speech.

• Reported verb will be made assertive; i.e. it is kept in the order of subject + verb.

• The sign of interrogation (?) will be removed and full stop is used.

• The first-person pronoun ‘my’ will be changed according to the subject of the reporting speech i.e., my changes to ‘her’ in indirect speech.

• The second-person pronoun ‘you’ will be changed according to the object of the reporting speech i.e., you change to ‘she’ in indirect speech

Therefore, the sentence in Indirect speech will be: She asked her friend if she would take her dog for a walk.

Hence, option D is the correct answer.

This is an exclamatory sentence. The given sentence is in Direct Speech. 

• The inverted commas (“ “) used in Direct Narration is removed in Indirect Narration and “that” conjunction is used.
  
  
• This is a type of exclamatory sentence that uses the Question word. Direct speech is converted to Indirect speech as per: Indirect speech: Conjunction (that) + Assertive Sentence
  
  
• Already, reporting verb (angrily remarked) is in accordance with feeling (angrily) of the exclamatory sentence. So, no change in reporting verb.
  
  
• After the reporting verb, we will write assertive sentence from the direct speech i.e. “that section had a pathetic working environment”. Note: “This” is changed to “that” here in accordance with narration rules. In phrase “that that”, the first “that” is acting like a conjunction and the second one is “that” which refers to “section”.
  
  
• As the reporting verb is in the Past tense (‘remarked’), the tense of the speech will change from the present tense (has: possessive verb) to the past tense (had: possessive verb).
  
  
• Also, “!” is removed in indirect speech.

So, with the help of the above structures, we can convert the given sentence into indirect speech:
The section officer angrily remarked that that section had a pathetic working environment.

Hence, option D is the correct answer.

This is an assertive sentence. The given sentence is in Direct Speech because it quotes actual words. Therefore, it must be changed into Indirect Speech.

* The inverted commas (“ “) used in Direct Narration is removed in Indirect Narration and “that” conjunction is used.

* “Said to” changes to “told” in indirect speech as it is followed by an object (Reena).

* As the reporting verb is in the Past tense (‘said’). Verb of simple present tense (love) changes to verb of simple past tense (loved).

* Also, the first person pronoun (I) of the reported speech is changed according to the subject (Deepu) i.e. pronoun (he) is used.

So, with the help of the above structures, we can convert the given sentence into indirect speech: Deepu told Reena that he loved Bollywood music.

Hence, option B is the correct answer.

This is an assertive sentence. The given sentence is in Direct Speech. The given sentence is in Direct Speech because it quotes actual words. Therefore, it must be changed into Indirect Speech.

* The inverted commas (“ “) used in Direct Narration is removed in Indirect Narration and “that” conjunction is used.

* “Said to” changes to “told” in indirect speech as it is followed by an object (Pa). Note: Sometimes, listener (or object of reporting verb) is written inside quotation (“ “). In such cases, “to” is implicit with verb “said”.

Here, object “Pa” (an informal way of saying “father or papa”) is written inside.

* As the reporting verb is in the Past tense (‘said’). Thus, verb forms mentioned in both the clauses will change:

Clause 1: Simple present tense verb “am” changes to Simple past tense verb “was”

Clause 2: Simple present tense verb “do not” changes to Simple past tense verb “did not”

* First person pronoun (I) of the reported speech is changed according to the subject (Sam) of the reporting verb i.e. “he” is used.

* Also, time word “now” changes to “then”.

So, with the help of the above structures, we can convert the given sentence into indirect speech: Sam told his father that he was a big boy then and didn't need to drink milk.

Hence, option A is the correct answer.