Feed him liver Tonic fir 5 days...on the 6th day, morning in empty stomach deworm him ( if he is under 12 kg then drontal puppy suspension 1ml/kg body weight, if he is above 12kg then drontal plus tablet, 1tab/10kg body weight) Don't feed him food or water for the next 1 hour...after 1 hour, u may resume food n water...make sure not to feed him any other medicines on that day...if the pup is under 6 months, deworm him every month on the same date, if he is above 6 months, then deworm him after every 3 months or even more. Continue liver tonic for the next 10 days after deworming

I use deworming tablets ap per shedule given by my vet by crushing n mixing the tablet in food (morning) as it must be given on empty stomach. For me this is best way working for my lil buddy