3 month old. Vaccinated Indie puppy. Female. Currently in temporary foster care but need to be adopted soon. Location - Electronic City, Bangalore

Today, I found a few 1 inch tapeworms in my dog's faeces.Exactly like the ones in this video: https://youtube.com/shorts/Mwvh7ElA4Hc?feature=share My dog is a 3 year old female Golden Retriever 32KGs. Her last deworming was in December 2022. Please let me know what tablet to give, if I can buy it from a local medical store, and whether I could administer it myself. Thanks.