The Satavahanas appeared as the successors of the Mauryas in the Deccan region. 

The Matsya Purana lists their origin and rule for over 450 years. The Satavahanas were also known as Andhras, Andhrajatiyah and Andhrabhrityas in Purana.  It was founded by Simuka. They emerged at the banks of the Godavari river in Maharashtra and Andhra state. 

Gautamiputra Satkarni (86-110 AD): 

He was the greatest ruler of this dynasty. 

His achievements are mentioned in Nashik inscription. So, statement 1 is correct.

They were the first rulers to give land grants to brahmans, sometimes to Buddhist monks. They granted tax-free villages to them. Also, the cultivated fields and villages granted to them were declared free from intrusion by the royal policemen, soldiers and other royal officers. So, statement 2 is correct.

The Romans first started trade with the southernmost part of India. Their earliest coins are found in the Tamil kingdoms which lay outside the Satavahana kingdom dominions. So, statement 3 is incorrect.

Gram Ujala scheme has been launched by Government of India regarding LED lights.

​Gram Ujala scheme:

• ​Launched by the Union Power and Renewable Energy Minister R.K. Singh.
• Launched date: 24 March 2021.
• The scheme offering the world’s cheapest LED bulbs in rural areas at a mere Rs.10/-.
• Under the program, 7 watt and 12-Watt LED bulbs with 3 years warranty will be given to rural consumers.

Given that Chemical formula of the sodium salt of given anion X is Na₂X.

We know that sodium is a single ionized atom so; it can lose only one electron from its ground state.

In Class V Environmental Studies Text-book one lesson, "Blow Hot Blow Cold" is a story written by Dr. Zakir Hussain. He has written many such stories for children. At the time of his death, he was the President of India. Zakir Husain Khan served as the third President of India. He was the president from 13 May 1967 until his death on 3 May 1969.

On the 76th Foundation Day of Bureau of Indian Standards (BIS), the portal for mapping of Industrial Units and Laboratories was launched.

Commerce and Industry Ministry also launched standards clubs in schools, Standards National Action Plan (SNAP) 2022-27, revised National Building Code of India (NBC 2016) and National Electrical Code of India 2023.

The entrance of the Ranthambore fort is called Naulakha Darwaza. Ranthambore Fort is situated within the Ranthambore National Park, near the city of Sawai Madhopur, the park being the former hunting grounds of the Maharajahs of Jaipur. It is a UNESCO World Heritage Site.

NH 47A is the shortest National Highway in India.

The shortest National Highway was the NH 47A (5.9 km), which connected Kundanoor Junction of Maradu in Kochi city to the Kochi port at Willingdon Island.

Nashik district, Maharashtra is known as the Grape Capital of India as it contributes more than half of the total grape export in the country.

• Grape (Vitis vinifera) is grown from temperate to warm regions; however, a hot and dry climate is ideal. Indian grapes come in varied characteristics namely colored, white, seeded, unseeded, large, and small berries.
• Maharashtra ranks first in terms of production accounting for more than 81.22 % of total production and the highest productivity in the country.
• Nashik district is the 3rd largest district in Maharashtra in terms of population of 61,09,052 and area occupying an area of 15,582 square kilometers in the north Maharashtra region. 

It was a proposal by a group of business leaders of Bombay. It was for the development of the Indian economy post-independence. At the end of March 1944, the Federation of Indian Chambers of Commerce endorsed the Bombay Plan at its annual meeting.  It was published in 1944 and in 1945.

Therefore, statement 1 is correct.

The planners have laid down minimum living standards on the basis of the following criteria:

• 2,800 calories of balanced food per day for each person.
• 30 yards of clothes
• 100 square feet of a residential area.
• It had provisions for adult education, scientific training & research.
• It gave a detailed vision of mass education, including primary, secondary & vocational & university-level studies.

So, statement 2 is correct.

This plan faced criticism as it lacked a capitalistic background.

• They criticised the overestimation of the capacity of the Indian economy to generate further capital. 
• Most of the economists criticized the plan for technical reasons as it had not considered the fact that creating capital had an inflationary effect.

So, statement 3 is correct.

Non luminous object is those who do not emit their own light outside. Moon and other planets are non-luminous objects because they do not emit their own light but glow by the reflecting light of the sun.

Candle, sun and electric lamp gives out the own energy, so all of it is the luminous object.