Questions

In economics, If two goods are complements, then the cross elasticity of demand is negative. That means a good's demand is increased when the price of another good is decreased. Conversely, the demand for a good is decreased when the price of another good is increased. It is opposite of substitute goods. 

The Constitution of India makes special provisions for the administration of the tribal dominated areas in four states viz. Assam, Meghalaya, Tripura and Mizoram. As per article 244 and 6th Schedule, these areas are called “Tribal Areas“, which are technically different from the Scheduled Areas under fifth schedule.

In the exclusive economic zone, the coastal nation has sovereign rights for the purpose of exploring and exploiting, conserving and managing the natural resources, whether living or non-living, including production of energy from the water, currents and winds. However, In the exclusive economic zone, all nations, whether coastal or land-locked shall enjoy the freedom of navigation and overflight and of the laying of submarine cables and pipelines, and other internationally lawful uses of the sea. That means fourth right is not exclusive only for the coastal nations.

Tejas is an Indiansingle-seat, single-jet engine,multirole light fighter designed by the Aeronautical Development Agency(ADA) and Hindustan Aeronautics Limited(HAL) for the Indian    Air    Force and Indian Navy.   It   came   from   the   Light Combat Aircraft (LCA) programme, which   began   in   the   1980s   to replace India's ageing MiG-21 fighters.  In  2003,  the  LCA  was officially named "Tejas.