Question

Why ground water is overused?Can there be development without overuse?

Answer 1

Declining ground water is a major problem for us , these days. 
- Over population in some areas.
- Overwhelming Industrialization and Urbanization.
- Poor irrigation facilities, which constantly use ground water for field, resulting   in rapid decline of water levels.
- Unsustainable developmental goals.
All these are major reasons for over use of ground water.

Yes, definitely Development is [possible without over use. This is what we know as " Sustainable development" . Sustainable development uses today resources judiciously , so that the future generation too has their fair share of resources. Promoting sustainable development can to lots to preserve ground water levels.

Answer 2

Now-a-days, groundwater is highly overused because of many reasons

(i) Groundwater is a fresh water source and used for drinking purpose and it is actually over-exploited in urban area for domestic purpose and drinking purpose. . .

(ii) Groundwater is also now over-exploited for irrigation purpose especially in Green Revolution areas of Punjab-Haryana-Western Uttar Pradesh region. Intensive agricultural practices intensify over-exploitation of groundwater.

(iii) After independence, many industries are developed along with many development projects. All these exploit groundwater for various purposes and often contaminate it.

(iv) After the toxication and pollution of rivers and many lakes, groundwater become practically only source of fresh water used direcdy without treatment. For all these reasons, groundwater is highly exploited.