Generally puja is done both in traditional way and Tantrik way. Traditional puja incorporates simple activities but Tantrik involves complex rituals such as kundalini (serpent power at the base of mooladara chakra). Its awakening, mudras, and tantric rituals and homa to appease harmful deities. Lord Sarabeshwara, soolini vanadurga prithyangira devi are harmful deities they require other God and Goddess to cooling them.
  Our Rajaguru Sri Suryan Namboothiry appease this deities by performing huge yagna and complex rituals with safeguarding their respected peoples