By-election is done when a member of parliament leaves there seats before the completion of their terms. By-elections are conducted only in a particular constituency or a few particular constituencies. The reasons for By-elections are, Sudden death of the MLA/MP, Resignation to his post, and Disqualified for any serious reason.

The correct answer is Increased human population. As the human population is increasing at an astounding rate, we have reached a number of 7.4 billion today. Naturally, this means that we are utilizing more and more natural resources.

The correct answer is State List. Panchayati Raj is included in the State list. Panchayati Raj (Council of five officials) is the system of local self-government of villages in rural India as opposed to urban and suburban municipalities.

Pranav Dhanawade (born 2000) is an Indian cricketer from Kalyan, Maharashtra. Batting in one innings, stretching over 4 and 7 January 2016, he became the first person to score more than 1,000 runs in one innings in an officially recognised match.

1. The longest period of light in Rajasthan is on 21st June. On this day the sun's rays fall vertically over Rajasthan.

2. This day is called the summer solstice, which is the longest day of the summer season.

1. Most storms in Rajasthan occur in the Sriganganagar district. In Sriganganagar district there are dust storms for about 27 days in the months of May and June. After this there is Bikaner and Jodhpur.

1. In Rajasthan, the Palash tree is called the ‘flame of the forest’. Palash is also known as Tesu.

2. It is a medium-sized tree whose height is about 6-12 meters.

3. Butea monosperm is the scientific name.

4. Palash flowers are bright red or yellow in colour and

1. The southeastern part of Rajasthan is a plateau, which is known as the 'South-Eastern Plateau and Hadoti Plateau'. This is an extension of the Malwa plateau.

2. The average height of this area is 500 meters and there is an extension of mountain ranges in a semi-moon shape which are known as Bundi and Mukundwara hills respectively. Chambal River and its main tributaries Kalisingh, Parvan and Parvati rivers flow here, the plains created by them are suitable for agriculture.

3. Southern-Eastern Plateau Region (Hadoti Plateau) Main features -

- 11 per cent of the state's population lives in this area.

- South Eastern Plateau region is 9.6 per cent of the total area of the state.

-It extends to Bhilwara, Photo, Bundi, Jhalawar and Baran districts.

- This plateau part is the Sankranti region between the Aravalli and Vindhyachal mountains.

- In this region there is a mixture of lava rocks and Vindhya rocks.