The Bollywood brigade joins Amitabh Bachchan for a noble cause.

Amitabh Bachchan was appointed as the brand ambassador for the NDTV-Dettol Banega Swachh India initiative.

In this unique 12-hour Cleanathon campaign, the aim is to create awareness about the importance of proper hygiene and sanitation and raise funds to build toilets.

The veteran actor had picked up the broom, and cleaned the neighbourhood in which he lives.

Priyanka Chopra, who was nominated by PM Narendra Modi for the Swachh Bharat challenge, has also taken part in the initiative.

The actress takes a selfie with NDTV head Prannoy Roy and UTV head Ronnie Screwvala.

Govinda performs on a medley of Big B's popular dialogues and songs, as a tribute to the veteran actor.

Dia Mirza, who got married recently, was also present.

Actors Boman Irani and Cyrus Broacha do their bit and lend support.

Actor Tusshar Kapoor and lyricist Javed Akhtar listen in.

Disha Vakani and Dilip Joshi of the popular television show Tarak Mehta Ka Oolltah Chashma, also nominated by Prime Minister Modi, perform on the show.

Member of Parliament Shashi Tharoor takes a selfie with Amitabh Bachchan.

Singer Sudesh Bhosle pays tribute to Amitabh Bachchan, by singing his popular songs.

Photographs: Pradeep Bandekar