The classical techniques of Yoga date back more than 5,000 years. In ancient times, the desire for greater personal freedom, health and long life, and heightened self-understanding gave birth to this system of physical and mental exercise which has since spread throughout the world. The word Yoga means “to join or yoke together,” and it brings the body and mind together into one harmonious experience.

A Bhajan is any type of Indian devotional song. It has no fixed form: it may be as simple as a mantra or kirtan or as sophisticated as the dhrupad ...
Devotional singing, reciting one or more holy names of the Lord. Bhajan or reverential adoration must be a mental upsurge, not an oral exercise ...

In Buddhism, puja (Sanskrit & Pali: pūjā) are expressions of "honour, worship, devotional attention." Acts of puja include bowing, making offerings and chanting. Pūjā (alternative transliteration Pooja, Sanskrit: reverence, honour, adoration, or worship) is a religious ritual.A Hindu religious ritual as an act of worship

Pravachan is a form of Hindu religious discourse, which are lectures on scriptures. A Pravachan Pandit becomes a religious and spiritual.Pravachans are usually on a religious theme, usually the life of a saint or a story from one of India’s epics. Pravachans sometimes become very emotional. People who listen to Pravachans have become more tolerant of their brethren, a sense of giving and forgiving has been inculcated in them.

An ordinary person may consider meditation as a worship or prayer. But it is not so. Meditation means awareness. Whatever you do with awareness is meditation. "Watching your breath" is meditation; listening to the birds is meditation. As long as these activities are free from any other distraction to the mind, it is effective meditation.