Pollution controls, Electric car requests

The letter raises concerns about the increasing air pollution in the city. The writer shares a personal experience of facing difficulty in breathing during a family trip due to pollution caused by vehicles. They express worry for babies and older people living in cities like Delhi who may face similar or worse conditions. The writer suggests taking action to address the problem, specifically by increasing the production of electric cars and decreasing the production of conventional cars. They also express a desire to own an electric car in the future and eagerly await a response to their letter.