Notes:
Avinash Sable finished seventh in 3000m steeplechase event at the Tokyo Olympics 2020. He took 8 minutes 18.12 seconds (8:18.12s) to finish the race and set a national record by breaking his own record of 8:20.20s  that he set during the Federation Cup in March. He became the first Indian after 1952 to qualify for the Olympics in 3000m steeplechase event.
Avinash Sable belongs to Beed district of Maharashtra.

Notes:
In 2011, the UN General assembly proclaimed July 30 as the International day of Friendship. The decision was taken with an idea that this day will create a friendship bond between peoples of different cultures, countries and religions and will help in achieving world peace by building bridges between different communities.
The United Nations is an international organisation which was founded in 1945. It is headquartered in New York. The main aim of this organisation is to maintain international peace and security, develop friendly relations among nations, achieve international cooperation and act as a center for harmonising the actions of different nations. At present, 193 countries are the members of the United Nations (UN).

Notes:
“World Day against Trafficking 2021” was observed on July 30 by the ‘United Nations Office on Drugs and Crime’. The theme of 2021 was “Victims’ voices lead the way”. This theme was set to raise awareness about the importance of interacting with the survivors of human trafficking. Their surviving stories will help in taking effective measures to prevent trafficking, identifying and rescuing victims and helping them in rehabilitation.
United Nations Office on Drugs and Crime is an international organisation or agency that was founded in 1997. It is headquartered in Vienna (Austria). Its parent organisation is United Nations Secretariat.

Notes:
NISAR (NASA-ISRO Synthetic Aperture Radar) which is a joint mission of ISRO and NASA is proposed to be launched in 2023. It is focusing on making global measurement of land surface changes using advanced radar imaging. The information was given by Jitendra Singh, Earth Sciences Minister.
NISAR Satellite will be the first satellite to use dual frequencies. It will be used for remote sensing. It will be also used for global observations over all land masses including the Polar cryosphere and the Indian Ocean region i.e. it will help in understanding the natural processes of the Earth.

 

Notes:
A 13-day mega military exercise between Indian and Russian army is scheduled to be organised from August 1 at Volgograd city located in Russia. The name of the Joint military exercise between Indian and Russian army is INDRA. The scheduled exercise is the 12th edition of INDRA and it is named “INDRA-21”.
Accroding to the Indian army, 250 personnel from each side will participate in this 12th edition of the joint military exercise. The military exercise will help in strengthening the bilateral security cooperation and will serve to reinforce the longstanding bond of friendship between India and Russia. It will also conduct counter-terror operations as mandated under the UN’s framework of joint forces against international terror groups.