New Delhi, April 21 -- The main domestic benchmark indices finished relatively unchanged on Monday, April 20, as gains driven by earnings in the banking sector were countered by worries that the ceasefire between the U.S. and Iran might not last.

The U.S. captured an Iranian cargo ship that attempted to breach its blockade, while Iran promised to respond, as efforts to establish a more permanent peace in the area seemed to be in jeopardy, with Tehran stating it would not take part in a second round of discussions. The ceasefire between the two parties concludes on Tuesday.

Brent Crude oil increased to $95 per barrel. India relies heavily on imports for its crude and gas needs, and a sustained rise in prices could negatively impact the e...