How did the development of the taste system affect society in india? !  

The caste system of India affected India in different ways.

The caste system allowed a correct treatment in different classes. Relationships between people were fair.

The system created a solid structure in society for the people to be treated right.

It developed and dignify equity among men and women. Both genders were treated with the same respect.

The caste system displayed the possibility of specialization of jobs, taking into consideration the skills of the people.  

A final consideration is that this system facilitated the political participation of the society.

Originally, the four basic castes in India were the Brahmins(teachers and priest), the Kshatryas(rulers and warriors), Vaishyas(farmers and ommerce people), and Shudras(workers).

are their options?

otherwise i can't

the underground railroad (apocope of the metropolitan railroad) is a system of urban trains located within a city and its metropolitan area. it is characterized for being a massive transport of passengers in the big cities, uniting diverse zones and their environs, with high capacity and frequency and in segregated form to other systems of transport. metropolitan railroads are built underground or on the surface, although most systems use mixed models where sections are combined in both modalities.

1 - as a result, the metro tends to reduce car travel for two reasons: first, due to the greater transfer of users from the car and, second, due to the reduction in the acquisition of cars in homes located in sectors near the stations of the metro.

2 -the metro allows to contribute effectively to the achievement of all the objectives of an urban development policy: it improves the efficiency of the city's economy by reducing travel costs and also generates a higher level of activities in the city center, taking advantage of of the agglomeration economies.

3 -it is a clean means of transport, since it uses renewable energy (usually electricity), taking care of the environment and avoiding excessive pollution.