What is the difference between मुर्गा and मुर्गी
Please tell me What is the difference between मुर्गा (Murga) and मुर्गी (Murgi)

and Aatha tha and Aathi thi.

Question

What is the difference between  मुर्गा and  मुर्गी 
Please tell me What is the difference between मुर्गा  (Murga) and मुर्गी  (Murgi)

and Aatha tha  and  Aathi thi.

Answer

Murga = Cock
Murgi =  hen

Answer

मुर्गा= male( cock)
 मुर्गी= female( Hen)

Aata tha=  came ( past participle come) - for male
Aati thi= came ( past participle of come)- for female

Answer

gagan's answer is right.
aata hai आता है - present simple 'comes'(subject is of masculine gender i.e. the one who comes, that word have masculine gender)

aati hai आती है is for femenine 'comes'

both mean 'comes', former for m and latter for f gender subject