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Yes, it is important to increase the area under irrigation because water is very essential for agriculture. In India, the rainfall is unevenly distributed in the country and if rainfall is less, then production will be low, and they will be only able to grow one crop in a season.   With good irrigation it will be possible to do multiple cropping, helping to increase the yield per hectare.  

1. The weights were usually made of a stone called chert and were generally cubical in shape with no markings.
2. These weights were used for regulating exchanges.
3.  The lower denominations of weight weere binary whereas higher denomination were in decimal with fractional weights.
4. The smaller weights were probably used for weighing jewellery and beads. Scale-pans of metal have also been found.

Archaeology is the study of past cultures. Archaeologists are interested in how people of the past lived, worked, traded with others, moved across the landscape, and what they believed. Understanding the past may help us better understand our own society and that of other cultures. Archaeology is the study of cultures that lived in the past. It is a subfield of anthropology, the study of human cultures. ... Archaeologists look for patterns in the artifacts they study that give them clues about how the people who made and used them lived.

Customer properties are attributes that are attached as data to a user. A customer can have multiple properties. You often get this data when a customer signs up to your site, fills out a survey or passes an order.

In some cases, the customer provides you with their own product which you then work on an sell back to them. This includes:

• Products installed, commissioned or repaired at the customer's site
• Products returned for repair
• Free-issue products to be included in manufacture

Galvanic Cell: The electrochemical cell which uses chemical energy to produce electrical energy is called galvanic cell or voltaic cell, e.g. Daniell Cell.

Pradhan Mantri Sadak Yojna
PMGSY launched on 25th December 2002 was a fully Central Sponsored Scheme. The objective of this scheme was to construct roads connecting the rural and urban centres through quality roads. This generated employment for rural labourers and lead to infrastructure development.

Jawahar Gram Samriddhi Yojna
Launched in 1999, JGSY aimed at creating demand-driven infrastructure in the village, for the use of village community. Secondly, it aimed at creating an additional source of employment for the rural populace. The scheme is prepared and implemented by Village Panchayat.

Indira Aawas Yojna
This is the flagship rural housing scheme introduced by the Government. Under this scheme, states were to provide shelter to those below the poverty line. The objective was to create new accommodation for the poor construction of new houses as well as by converting the unserviceable kuchha houses into pucca and semi-pucca houses

Following are some of the poverty alleviation policies introduced by the government:

National Rural Employment Guarantee Act
Also known as NREGA, this is the flagship programme of Government directly touching lives of the poor and promoting inclusive growth. It aims at enhancing the general livelihood of the rural people by guaranteeing at least a 100 days of employment in a financial year to adults of the household who are willing to do unskilled labour. It was enforced on 2nd February 2006 and implemented in phases. Today it is indeed one of the largest employment generating scheme of the government.

Sampoorna Grameen Rozgar Yojna
SGRY was launched in the year 2001 by way of merging two ongoing schemes- EAS and JGSY. The objective was to provide additional food security and wage employment to the rural sector. It also helped in creating durable community assets for the rural people. The program targeted poor with special emphasis on women, SCs, STs and parents of children withdrawn from hazardous industries.

National Food For Work Programme
This programme was launched in November 2004 in 150 backward districts of the country that were identified by the Planning Commission. The aim of this project was to offer additional sources for rural employment apart from SGRY to these 150 districts. This scheme was entirely sponsored by the Central Government. Since then the program has been merged with NREGA, identifying in total 200 districts to implement the scheme.

The scope and subject matter of Macroeconomics can be describes as follow:

1. Macroeconomics is concerned with the behaviour of the economy as a whole. It is the study of aggregates and averages of the entire economy.
2. The subject matter of macroeconomics is income and employment, inflation, money supply,price level, investment and economic growth and development.

The purpose of macroeconomics is to present a logical framework for the analysis of these phenomena.

1. Having understood these phenomena, the aim is how to ensure the maximum level of income and employment in a country.
2. Since the subject matter of macroeconomics revolves around determination of the level of income and employment, therefore, it is also known as ‘Theory of Income and Employment’.
3. Correct economic policies formulated at macro level make it possible to control business cycles (inflation and deflation) in the economy.

Cunningham's Confusion were:

(i) Cunningham's main interest was in the archaeology of the Early Historic and later periods. Cunningham tried to place Harappan seals within the time-frame with

which he was familiar.

(ii) He used the accounts left by Chinese Buddhist pilgrims who had visited the subcontinent between the fourth and seventh centuries CE to locate early

settlement.

(iii) Cunningham also collected, documented and translated inscriptions found during his surveys. When

he excavated sites he tended to recover artefacts that he thought had cultural value.

(iv) A site like Harappa which was not part of the itinerary of the Chinese pilgrims, did not fit very neatly within his framework of investigation. Cunningham did not realize how old Harappa artifacts were.

 If a marine fish is placed in a fresh water aquarium, then its chances of survival will diminish. This is because their bodies are adapted to high salt concentrations of the marine environment. In fresh water conditions, they are unable to regulate the water entering their body (through osmosis)

Non-ideal solution: Solutions which do not obey the Raoults law over the entire range of concentration, are called non-ideal solutions. The vapour pressure of non-ideal solutions is either higher or lower than the ideal, i.e. predicted by Raoult's Law.

Because of water's relatively high boiling point, most water exists in a liquid state on Earth. Liquid water is needed by all living organisms

For the streamline flow of non-viscous and incompressible liquid, the sum of potential energy, kinetic energy and pressure energy is constant. ... Since same mass m leaves the pipe at end M in same time t, in which liquid will cover the distance given by v2t. Consider a fluid of negligible viscosity moving with laminar flow, as shown in Figure 1. This is Bernoulli's theorem You can see that if there is a increase in velocity there must be a decrease of pressure and vice versa.

Newton's law of cooling states that the rate at which an object cools is proportional to the difference in temperature between the object and the object's surroundings. Simply put, a glass of hot water will cool down faster in a cold room than in a hot room.

Some archaeologists say that Harappan society had no rulers and that everybody enjoyed equal status.

• Others feel there were no single ruler but

several.

• Under the guidance and supervision of the rulers, plans and layout of the city were

prepared.

Big buildings, Palaces, Forts, Tanks, Wells, Canals, granaries etc were constructed under the supervision of rulers.

• Roads, drains were also constructed and cleanliness was maintained under the overall supervision of ruler.

The ruler might have taken interest in

promoting the farmer to increase production and the craftsmen to promote different

handicrafts

• He maintained and controlled extra ordinary uniformity of Harappan artefacts like Seals, Weight and bricks.

During foreign attack and natural disaster he

used to play an active role by providing security and food,

He used to issue common acceptable coins

or seals, weight and measurements.