Ruchi,
AR4A, etc. are connected in such a way where under certain conditions, the diode is reverse biased and there is no feedback. A lot of op amps don't like this. The OP4177 is a precision op amp with protection diodes and resistors between the inputs to protect the diff pair. See OP177 data sheet for a similar schematic. In addition, Some quads have one, or two or four bias networks. I don't know about the OP4177, but if it has one bias network, if one section is overloaded, it can affect the other three.
The LM148 is a commodity, non precision op amp. If it works in your system, why do you want to change it?
Harry