Q:

I said to my mother, “I will certainly take you to Bangalore this week.” 

• 1
  I told my mother that she would certainly take her to Bangalore that week.
• 2
  I told to my mother that I would take you to Bangalore that week.
• 3
  I told my mother he would certainly take her to Bangalore that week.
• 4
  I told my mother that I would certainly take her to Bangalore that week.