This is the heartwarming moment three puppies were reunited with their mother after getting stuck deep inside a drain.<br /><br />The puppies were successfully rescued by a local wildlife activist after a one-hour operation in northeast India.<br /><br />The tiny puppies had got inside the drain in search of shelter but started squeaking soon after getting stuck.<br /><br />The incident occurred in Tezpur city in the northeastern state of Assam.<br /> <br />Well-known local wildlife enthusiast Saurav Bor Kataki, 37, became aware of the trapped animals after receiving an SOS from a resident.<br /><br />When Kataki - seen in the video wearing a brown T-shirt and red shorts - investigated, he was taken aback by just how far inside the drain the puppies had made it.<br /><br />He immediately returned home and went back to the drain site with an excavator to dig out the heavy-duty drain cover in order to free the puppies. <br /><br />Local citizens began to help him as he got to work.<br /><br />In the video, the men can be seen digging the drain with the help of a hand-operated excavator and wooden logs. <br /><br />Eventually, the puppies emerge hesitantly from their dark hole and bound over to their mother.<br /><br />The puppies were seen nuzzling their mother and drinking milk as soon as they were freed from their lengthy ordeal.<br /><br />Saurav said: “The babies were hungry. As soon they got out of the drain, they ran towards their mother and started drinking milk. They seemed very hungry, it was quite a moving scene.”<br /><br />The puppies were given the all-clear after a health check and are now with their mother.