Change the narrative style by using direct speeches.

"You'll never guess what I've just seen!" said Rifat to his twin brother, excitedly. "What's that?" asked Sifat, closing the book he was reading. "I have seen father bringing two packets in his hand." Rifat said to Sifat "And what does that mean?" said Sifat, trying to hide his annoyance. Rifat cried, "Why are you so silly! Father must have brought birthday gifts for us. Let's ask him."

 Rifat excitedly said to his twin brother Sifat that he (S) would never guess what he (R) had just seen. Closing the book he (S) was reading, Sifat asked Rifat what that was. Rifat replied to Sifat that he (R) had seen father bringing two packets in his (F) hand. Trying to hide his annoyance, Sifat asked again what that meant. Then Rifat cried with surprise that he (S) was very silly and added that father must have brought birthday gifts for them. Then, he (R) proposed that they should ask him (F).