Complex sentence: She has been very active with social causes like drug awareness, AIDS awareness, family planning, organ donation, etc. Poonam Dhillon is the fourth guest to be on "Bigg Boss (Season 3)" on Colors TV.
Split into simpler sentences: She has been very active with social causes like drug awareness, AIDS awareness, family planning and organ donation. Poonam was the fourth guest on "Bigg Boss (Season 3)" aired on Colors TV.