Celebrations will take place in 150 countries with Indian missions coordinating activities in landmark places such as Eiffel Tower in Paris, Trafalgar Square in London and Central Park in New York.
Some of the big names who decided to roll out the yoga mat
A look at the pictures from the event!
The celebrations in China will be second biggest in the world after India.
'Nobody is making yoga compulsory. If you don't want to do it, it is okay. Yoga has no religion.'
After Yoga got a strong leg up on the world stage following Prime Minister Narendra Modi's call for observing an International Yoga Day, the European Union has backed the initiative.
There has been a controversy over this asana, with Muslim groups saying their faith does not allow such a practice.
A resolution has been tabled in the New York City Council to recognise June 21 as 'World Yoga Day' in New York in line with the United Nations' decision to commemorate the day annually.
The PMO said mass yoga demonstrations will be organised at 75 iconic locations across the country under the leadership of 75 Union ministers, with Modi attending the exercise at Mysore.
Indians celebrated the second International Day of Yoga on Tuesday at different parts of the country.
The Yoga celebration led by Prime Minister Modi at the UN headquarters created the Guinness World Record for participation of people of most nationalities, officials said.
After the United Nations declared June 21 as the International Yoga Day in December last year at India's request, the officers in the Ministry of Ayush began ideating about how to celebrate it in the country.
Among the hoards of Yoga enthusiasts who marked International Yoga Day on Sunday was India's Olympic boxing champ Mary Kom.
As we prep for International Yoga Day, here's a quiz to test you on all things Yoga.
Sadhus and seers of Haridwar on Tuesday threatened to launch a countrywide agitation if surya namaskar is not included.
The stage is set for International Yoga Day celebrations tomorrow as India leads 191 countries to mark the day with over 35,000 participants expected to perform various yoga 'asanas' at a mega event on Rajpath in New Delhi.
Not to be left behind, the armed forces have planned yoga sessions on board warships and even at Siachen, the world's highest battlefield, to celebrate the first International Yoga Day on June 21.
Indian Army soldiers perform asanas to mark Yoga Day in the Rajasthan desert.
External Affairs Minister Sushma Swaraj said on Tuesday clear that participation in the events was not 'compulsory'.
As the world on Sunday celebrated the inaugural International Day of Yoga, in Pakistan it remained confined to the premises of Indian High Commission in Islamabad with the staff of the mission along with other foreign diplomats in the country performing 'asanas'.
Indian Army personnel on Wednesday conducted yoga sessions at more than 100 locations along the country's land and maritime borders, forming a 'Bharatmala' on the occasion of the International Day of Yoga.
The Gujarat government on Tuesday said the upcoming 'World Yoga Day' on June 21 will be celebrated at more than 29,000 locations across the state.
Modi said the support and participation of the people last year and once again now "redeems the commitment to nurture and promote this ancient discipline and reaffirms yoga as an exemplary manifestation of 'Vasudhaiva Kutumbakam' (the world as one family)."
People across the world woke up to an early-morning call to celebrate the second International Yoga Day on Tuesday with much enthusiasm.
In a statement, the police said that they were treating the incident as a serious issue, and the Serious and Organised Crime Department was investigating it with "utmost urgency."
The former South African cricketer posted a picture of his adorable daughter stretching in bed and Jonty gave the photograph a relevant spin.
Cut off from the world in his solitary confinement in the Jodhpur jail, climate activist Sonam Wangchuk has turned his attention to a group of usually unremarkable visitors -- ants. Perhaps, he is drawn to the sense of solidarity and team spirit they display, his wife and HIAL co-founder Gitanjali Angmo says.
While Congress criticised the Bharatiya Janata Party-led government for being "insensitive", saying yoga, a great discipline of ancient India, does not belong to the saffron party, Janata Dal-United termed it as yet another attempt to "impose the communal agenda" on Indian masses.
Security was on Monday stepped up in and around Connaught Place and six other venues, ahead of the Yoga Day celebrations to be organised by the ministry of AYUSH on Tuesday.
Ahead of the event, Shripad Naik, the Union minister of state (independent charge) for Ayurveda, Yoga and Naturopathy, Unani, Siddha and Homoeopathy, which is coordinating yoga day, speaks to Upasna Pandey.
Rediff.com takes you through to NaMo's yoga class.
While Modi will be performing yoga along with thousands of people at the Capitol Complex in Chandigarh, his cabinet colleagues Singh and Jaitley have been assigned the task of leading the 2nd IYD programmes in Lucknow and Mumbai respectively.
Let's take a look at how the world is gearing up for this mega event:
The area is being screened with the help of sniper dogs and bomb disposal squads.
'I was embarrassed that I was learning a martial art form at 55. I thought what will people say? I kept it a secret even from my husband.'
The Indian ambassador to the US, Navtej Sarna, said it was a moving sight to see people turning up in large numbers at the heart of the US capital for the event.
This year's theme is 'Yoga at Home and Yoga with Family' and people will be able to join the celebrations virtually at 7 am on June 21.
India on Sunday set two new Guinness World Records for Yoga with 35,985 participants performing asanas at one venue and as many as 84 nationalities joining in the official observation of International Yoga Day on Rajpath in New Delhi.
Members of Indian Armed Forces on Thursday morning celebrated the fourth International Yoga Day in some the most difficult terrains. Spectacular pictures showed the Armed Forces practising yoga asanas in desert, river and on naval ships.