BSNL has roped in Indian boxer M.C.Mary Kom as its brand ambassador for two years. Mary Kom will endorse and promote BSNL for its various services.

• The Nobel Peace Prize 2018 was won by Denis Mukwege and Nadia Murad.
• The award has been presented to the two figures who have worked to bring attention to ending sexual violence.
• Mukwege is a gynecologist helping victims of sexual violence in the Democratic Republic of Congo.
• Nadia is a Yazidi rights activist and survivor of sexual slavery by Islamic State.

Air Quality Index is a measure to determine how polluted the air currently is or how polluted it is forecasted to become in the near future. The index of air quality is as follows:

• According to the modern theory for nature of light, the light has both wave and particle (dual) nature.
• The phenomena like photoelectric effect and black body radiation show the particle nature of light.
• The phenomena like interference, diffraction and polarisation show the wave nature of light.
• de Broglie told that the moving particles of matter have wave-like properties.

Mr. Zoramthanga was sworn in as the Chief Minister of Mizoram on 15th December.

He belongs to the party Mizo National Front (MNF).

In the 40-seated Assembly, MNF secured a victory bagging 26 seats.

• The Lucknow Pact of 1916 built friendly relations between the Muslim League and Indian National Congress (INC) and also the groups between INC.
• It was for the first time that the Hindus and the Muslims came together on common ground.
• It sowed the seed of belief among the British that India could get a government of Self.
• The extremist and moderate faction of the INC also got united.

A book titled 'We are Displaced' was released in India on 9th January 2019.
The author of the book is Malala Yousafzai.
The book gives a description of her experiences of traveling around the world and visiting refugee camps.
Malala Yousafzai got the Nobel Peace Prize in 2014.

• Bomdi La situated to the east of Bhutan connects Arunachal Pradesh with Lhasa, the capital of Tibet.
• It is situated at an altitude of 2600 meter above sea level.

• World Cancer Day is observed every year on 4th February to raise awareness and encourage prevention and treatment of cancer.
• It was founded by UICC with an aim to significantly reduce deaths and illness caused by cancer.
• Nearly 9.6 million people die every year because of cancer.
• Theme for 2019 - 'I Am and I Will'.

• The Ramcharitmanas is written in vernacular Awadhi language, the core of the work is considered by some to be a poetic retelling of the events of the Sanskrit epic Ramayana.
• It was composed by the 16th-century Indian bhakti poet Tulsidas.