Prick the chicken pieces with fork.
ground one onion to paste with salt.
Add with ginger-garlic paste to curd.
Mix with chicken pieces and marinate for 1 hour.
Slice remaining onion and saute lightly in butter.
Add turmeric powder,cuminseed,daniya powder and fry for 1 minute.
Add marinated chicken and cook uncovered,over high heat,stirring occasionally till done.
Add chilli powder,Garam Masala,and water.
Cover and simmer,until chicken is tender,and gravy is thick.