▁R akes h ▁Sh arma ▁is ▁launched ▁into ▁space , ▁ab o ard ▁the ▁So y uz ▁T - 1 1 . ▁ 1 3 ▁April ▁– ▁India ▁launch es ▁Operation ▁Meg h do ot , ▁as ▁most ▁of ▁the ▁S ia chen ▁Gla cier ▁in ▁K ash mir ▁comes ▁under ▁Indian ▁control . ▁ 1 ▁June ▁– ▁The ▁Indian ▁government ▁begins ▁Operation ▁Blue ▁Star . ▁ 4 ▁June ▁– ▁Indian ▁troops ▁storm ▁the ▁Golden ▁Temple ▁at ▁Am rit s ar , ▁the ▁S ik hs ' ▁h oli est ▁shr ine . ▁ 3 1 ▁October ▁– ▁Indian ▁Prime ▁Minister ▁Ind ira ▁Gand hi ▁is ▁assass in ated ▁by ▁her ▁two ▁S ikh ▁security ▁gu ards . ▁Her ▁son ▁Raj iv ▁Gand hi ▁succeed s ▁her ▁as ▁Prime ▁Minister . ▁ 3 1 ▁October ▁– ▁ 3 ▁November ▁An ▁estimated ▁ 2 , 7 0 0 - 1 0 , 0 0 0 ▁S ik hs ▁killed ▁during ▁the ▁anti - S ikh ▁ri ots ▁in ▁Del hi ▁and ▁other ▁areas ; ▁mob s ▁lo ot ▁and ▁damage ▁several ▁S ikh ▁homes , ▁business es ▁and ▁G urd war as ▁in ▁response ▁to ▁the ▁assass ination ▁of ▁Ind ira ▁Gand hi . ▁ 3 1 ▁October ▁– ▁B irth ▁An ni versary ▁of ▁S ard ar ▁Vall ab h b hai ▁Pat el ▁– ▁The ▁Iron ▁Man ▁of ▁India . ▁He ▁was ▁the ▁one ▁man ▁who ▁got ▁ 5 5 0 ▁states ▁and ▁territ ories ▁to ▁form ▁the ▁un ited ▁Republic ▁of