Seat choices in UC with a baby London Delhi

Yes shock horror i am the dreaded pax with an infant (12 months old) and a 4 year old travelling in UC to Delhi on the 26th of March. i have to say i too do not like screaming wailing children and mine are not the type ( im sure all mums say that but i am being honest my children do sleep at night
i wanted to ask advice as to what seats to ask for, i will be travelling with my two elder children 4 and 7 and my mum and husband so any thoughts as to what would be best would be much appreciated.
i know that the baby will end up in sleeping with me which is fine but i know that a bassinet is offered has anyone used it with success with a one year old?
on the food front we are all veg and i know the food options are limited for vegetarian in that there is only one options and it is Indian and spicy which my children don't do. does anyone know what the snack options are on the graze menu on this route? i have not ordered the child's meal as i don't even think they do a veg option and my children don't really like junky food..... im not lying i promise there favorite vegetable is broccoli
on the way out i know it will be lights out by the time we board the plane and the breakfast options are fine it is the return leg i am a little worried about.
thank in advance

i wanted to ask advice as to what seats to ask for, i will be travelling with my two elder children 4 and 7 and my mum and husband so any thoughts as to what would be best would be much appreciated.
i know that the baby will end up in sleeping with me which is fine but i know that a bassinet is offered has anyone used it with success with a one year old?
on the food front we are all veg and i know the food options are limited for vegetarian in that there is only one options and it is Indian and spicy which my children don't do. does anyone know what the snack options are on the graze menu on this route? i have not ordered the child's meal as i don't even think they do a veg option and my children don't really like junky food..... im not lying i promise there favorite vegetable is broccoli

on the way out i know it will be lights out by the time we board the plane and the breakfast options are fine it is the return leg i am a little worried about.
thank in advance