AMITAVA CHAKRAVARTY (AC) Apps

This is a simple virtual processor built on a small number ofinstruction set.

Simple app which shows when hour and minute hands overlap visually

This simple app computes the last digit of x^n where x is base andn is power

Mystery Machine which generates only prime number.

Simple app which generates the power set of 2,3,4,5 or 6 elements.

Display time of an analog clock as you will see in a mirror

Find some of the all-time hit songs of Amitabh Bachchan,ShahrukhKhan and others

Automatic call notifier and voice call recorder

Simple speaker mode phone dialer and voice call recorder

Let the app find your age or any number you have chosen from the 7cards

Puzzle is to place eight (8) rooks on the chess board in nonattacking mode

Puzzle to place fourteen (14) bishops on the chess board in nonattacking mode

Task is to capture the prey

Explore all the unexplored cells without cell explosion : if youcan!!!

Simple app which finds names from exact and prefix letters matching

Task is to cover all squares by the fairy piece having specialmoves.

List of song names containing the entered letters with theirrespective singers

OLD IS GOLD!!! LIFE IS INCOMPLETE WITHOUT MUSIC & SONGS !!! TUJAHAN JAHAN CHALEGA MERA SAAYA SAATH HOGA MERA SAAYA MERA SAAYAMERA SAAYA ... DARD E DIL DARD E JIGAR DIL MEIN JAGAYA AAPNE ...DUKHI MAN MERE SUN MERA KEHNA JAHAN NAHIN CHAINA WAHAN NAHIN REHNA... O SAATHI RE TERE BINA BHI KYA JEENA ... TERE BINA ZINDAGI SEKOI, SHIKWA TO NAHIN ... TERE NAINA TALASH KARE JISE VO HAI TUJHIME KAHI DIWANE ... TERI DUNIYA SE HO KE MAJBOOR CHALA MAIN BAHOTDOOR BAHOT DOOR BAHOT DOOR CHALA ... MUSAFIR HOON YAARON NA GHARHAI NA THIKAANA MUJHE CHALTE JAANA HAI ... MANN KYUN BEHAKA REBEHAKA ... BAHON MEIN CHALE AAO ... ITNA NA MUJHSE TU PYAR BADHA ..PAL PAL DIL KE PASS TUM REHTI HO ... PAL BHAR KE LIYE KOI HUMMEPYAAR KAR LE ... OH MERE SONA RE SONA ... HAWAA KE SAATH SAATHGHATAA KE SANG SANG O SAATHI CHAL .... JALTA HAI JIYA MERA BHEEGIBHEEGI RATO ME ... ARE YAAR MERI TUM BHI HO GAJAB, GHUNGHAT TOHJARA ODHO ... CHALTE CHALTE MERE YE GEET YAAD RAKHNA KABHI ALBIDANA KEHANA ... SAB KUCHH SHIKHA HUMNE NA SIKHI HOSHIYAARI ... SACHHAI DUNIYA WAALO KI HAM HAI ANARI ... CHURA LIYA HAI TUM NE JO DILKO ... BADAL KE MERI TUM ZINDAGANI ... KOI LAUTA DE MERE BEETE HUYEDIN ... TUNE ABHII DEKHA NAHI DEKHA HAI TO JAANAA NAHIN ... DIYEJALTE HAIN PHOOL KHILTE HAIN ... RAAT KALI EK KHAWAB MEIN ... JISKAKOI NAHI USKA TO KHUDA HAI YAARO ... YEH MERA DIL YAAR KAA DEEWANADEEWANA ... KAJRA MOHABBAT WALA ANKHIYO ME AISA DALA ... NA JAOSAIYAN CHHUDA KE BAIYAN ... PEHLA NASHA PEHLA KHUMAR ... AE MEREPYARE WATAN ... ABKE SAJAN SAVAN MEIN ... NEEND CHURAYI CHAINCHURAYE ... BADE ACHHE LAGTE HAIN ... ROOP TERA AISA ... This appis part IV in the antakshari series. This app is actually a"Musical Journey of Indian Cinema" which shows the evolution ofHindi songs (oldage era to Amitabh Bachchan era mainly). This appgives a list of song names having the entered words with the namesof films they belong to and the name of the singer. *** Multiplewords separated by space can be entered for keyword search. !!!LEGENDARY SINGERS, ACTORS, ACTRESSES AND MUSIC DIRECTORS OF HINDIMOVIES !!! Artists and genres are all time great MOHAMMED RAFI,KISHORE KUMAR, MANNA DEY, MUKESH, HEMANTA MUKHERJEE, LATAMANGESHKAR, ASHA BHOSLE, GEETA DUTT, SHAMSAD BEGUM, TALAT MAHMOOD,S D BURMAN, R D BURMAN AND OTHERS. There are songs from the movies(more than 300 movies) of great Saigal, Raj Kapoor, Dev Anand, GuruDutt, Rajesh Khanna, Sunil Dutt, Rekha, Nutan, Meena Kumari, HemaMalini, Amitabh Bachchan, Saira Banu, Vinod Khanna, NasiruddinShah, Smita Patil, Shabana Azmi, Pradeep Kumar, Balraj Sahani, AmalPalekar, Jaya Bhaduri, Sanjeev Kumar, Shashi Kapoor, Kishore Kumar,Ashok Kumar, Dharmendra, Vaijantimala, Waheeda Rehman, Dilip Kumar,Rishi Kapoor, Randhir Kapoor, Vinod Mehra, Mousumi Chatterjee,Suchitra Sen, Madhubala, Zeenat Aman, Mala Sinha, Parveen Babi,Divya Sinha, Shammi Kapoor, Jeetendra, Rakhi, Jayaprada, Sridevi,Pran, Dimple Kapadia, Reena Roy, Sharmila Tagore, Tanuja, AamirKhan, Shahrukh Khan, Anil Kapoor, Sanjay Dutt, Utpal Dutt, Nargis,Kajal, Asha Parekh, Suraiya, Sadhana, Mumtaz, Nanda, Madhuri andothers. The artists and genres are great KISHORE, LATA, MANNA,RAFI, ASHA, HEMANTA, MUKESH, ARATI, GEETA DUTT, SALIL CHOWDHURY, SD BURMAN, R D BURMAN, SHAMSAD BEGUM, GHULAM ALI, TALAT MAHMOOD andothers. Some songs may contain extra information and the app DOESNOT take numerals as input. This app is ABSOLUTELY FREE, NO IN APPPURCHASES and NO ADS. This app may be used to play antakshari andenhance your knowledge about songs. Limitations: 1. list of songs /movies is not exhaustive 2. singer of songs may be incorrect 3.some songs may be duplicated 4. movie name or other informationprovided may be incorrect Please search with different spelling ofkey words for desired result. ***For example search with 'jaane' ifdesired result not found with 'jane' (or 'aye' instead of 'aai'etc). ***If there is any bug please let me know through email.

OLD IS GOLD!!! MUSIC, AT ITS ESSENCE, IS WHAT GIVES US MEMORIES.Some sample songs : KATOI RANGO DEKHI DUNIYAY ... AAHA KI ANANDAAKASHE ... BHADAR ASWIN MASE ... TAK DUM TAK DUM BAJAI .. BANSHISHUNE AAR KAJ NAI ... JAKHAN PORBE NA MOR PAYER CHINHA ... O MAGOMA ONYO KICHU GALPO BALO ... BIDHIR BANDHAN KATBE TUMI ... CHANDERGAYE CHAND LEGECHE ... DHITANG DHITANG BOLE ... SOHAG CHAND BADANIDHONI ... BOLI O NANADI .. ISHTISHANER RAILGARITA ... SHRIMATI JEKANDE ... TABU MONE REKHO ... PRABHAT SAMAYE SACHIR ANGINA MAJHE... SHING NEI TABU NAAM TAR SINGHA ... EBAR MOLE SUTO HOBO ...PAGLA GARAD KOTHAY ACHHE ... BEHAG JODI NA HOI RAJI ... ESECHHI AMIESECHHI ... TOMAR DEHER BHONGIMATI ... SADHER LAU BANAILA MOREBAIRAGI ... AGE KI SUNDAR DIN KATAITAM ... EI KATHATI MONE REKHO... BHAJA GOURANGA ... AAMAR EI KUREGHAR KHANA ... SAB LOKE KOYLALAN KI JAAT ... MICHE MAYAY MOJIYE MON ... THAKILE DOBA KHANAA... GURUNA BHOJI MUI ... SUJAN MAJHI RE ... SUNDARI KAMALA ... TERIDUNIYA MEIN JEENE SE ... KHIRKI THEKE SINGHADUAR ... PISIR JANYAPISHA MASAI ... HARI DIN TO GELO SANDHA HOLO ... TANGRA TOBU KATANJAI HOITO TOMARI JANYA ... KE TUMI KE TUMI SUDHUI DAKO ... KAJOLLOTA TUMARE NAM ... KI MACH DHORECHO BORSI DIYA ... ALLAH MEGH DEPANI DE ... and ... This app is part III in the antakshari series.This app is based on Bengali folk songs, baul and Rabindra sangeet.This app needs one word (minimum 2 letters) and gives a list ofsong names (matching with the entered key word) with theirrespective artists and/or any other information. Keywords can alsobe names of artists or genres. The artists and genres are greatRUNA LAILA, SWAPAN BASU, ANSHUMAN ROY, GOSTHO GOPAL DAS, PARIKSHITBALA, PURNA DAS BAUL, SWAPNA CHAKRABORTY, BHATIALI, ABBAS UDDINAHAMED, S D BURNAN, AMAR PAL, LALAN FAKIR, RAMKUMAR CHATTERJEE,NIRMALENDU CHOWDHURY, UTPALENDU CHOWDHURY, RABINDRA SANGEET(HEMANTA, KANIKA , SUCHITRA & others), VARIOUS and others. Somesongs are added from the films of great master Satyajit Ray, TapanSinha & Tarun Mazumdar. Few songs of Lopamudra Mitra are alsoadded. Some songs from the films of great Ritwik Ghatak are added.Some Tagore songs of Srikanta and Rupankar are also added. Most ofthe songs are in Bengali. Some songs (Hindi and Bengali) of greatHemant Kumar (Hemanta Mukherjee) have been added. Most of thesesongs are composed by Hemant Kumar. Some songs are tributes toHemant Kumar. Some Bengali children songs (Antara Chowdhury) andBengali nursery rhymes (various artists) have been added. Few songsof Paban Das Baul also have been added. ***Try with differentspelling of keyword if the desired search results are not found.***For example search with 'jaane' if desired result not found with'jane' (or 'aye' instead of 'aai' etc). Some songs from the filmsof great Uttam Kumar have been added. Limitations: Some songs maybe duplicated Extra information provided with the songs may beincorrect Some songs may not be at all related with the searchkeyword This app is ABSOLUTELY FREE, NO ADS and NO IN APPPURCHASES. *** All of my apps / games are voice enabled. Propertext to speech (English speaking female voice) component may bedownloaded and installed in some phones / devices if it is notalready installed or compatible.

This app helps one to factorise numbers into its prime factors.

The app will give all possible words after scrambling the enteredwords.

App computes detailed steps for Collatz conjecture and Kaprekarnumber 6174

It will generate numeric expression for fourth number from giventhree numbers.

This app enables user to write and draw free hand on a white boardand save it.

Complete all 64 squares of chessboard using only a knight!!!

Puzzle to place the eight (8) queens on the chess board in nonattacking mode

Make fourth number from the other 3 numbers using arithmeticoperations.

Problem to properly color the grids (cells) of the board using 4 or5 colors.

Task is to interchange black and white knights position

Task is to place N crosses on the white squares following the givenconditions.

Puzzle in 2 modes : interchange positions of Knights in one,Bishops in another.

Puzzles to interchange positions of coins and place countersfollowing the rules

Your task is to change the state of NxN upside down glasses toupright position

Problem to fill all the squares with odd neighbors

ENJOY THE BEAUTY, SYMMETRY AND SIMPLICITY OF COMPLICATED MOVES !!!This game is a collection of chess puzzles / problems based onQueens and Knights. Your task is to place maximum number of Queensand Knights (5 queens and 5 knights) on a chessboard in such a wayso that number of Queens and number of Kinights are equal and noneof these attack each other. Placement will be such that Queencannot attack other Queens and Knights and Knight cannot attackother Queens and Knights i.e. Queens and Knights will have to beplaced in non attacking mode. *** You will win if you can achievethis configuration. Queens and Knights follow the standard chessrules. *** You can play 8 Queens problem, 32 Knights problem, youcan place 5 or 6 Queens in such a way so that no other piece (Queenand Knight) can be placed on the board and lots of otherfascinating games involving only Queen and Knight can be playedwith this app which will enhance your knowledge of chess tacticsand sharpen your analytical / logical skills. *** But in thesecases you will loose the game. Still you can explore various movesor puzzles involving Queen and Knigh through this app. PLAY THEGAME AND ENJOY !!! *** Playing instructions can be found from gameoptions menu. *** Last moved piece (Queen or Knight) is representedby red boundary. *** If you touch a already occupied cell it willshow the cells captured or covered by that piece (Queen or Knightor both) by green dots. Queen button is to place Queen on theboard. Knight button is to place Knight on the board. By defaultQueen is selected at game startup. Hint button will show all thepossible moves remaining. Green dots denote that the cell isalready covered by a piece (Queen or Knight or both). *** Playinginstructions can be found from game options menu. Undo buttonreverts back the last move. Clear button clears the chess board. Ifyou touch a already occupied cell it will show the cells covered bythat piece by green dots. This game is completely FREE, it has noADS and contains no IN-APP purchase. *** In some devices images maybe distorted or skewed. In case of any bug please let me knowthrough emails.

Task is to place 9 queens on a chess board using minimum number ofpawns

Puzzle to switch the positions of the numbers 0 & 1 in minimumnumber of moves.

Mysterious Blackhole Numbers is a app which shows number hasblackhole property

Checks a number for primality i.e. it checks whether a number isprime or not.

Puzzle to place sixteen (16) kings on the chess board in nonattacking mode

Puzzle to place thirty two (32) knights on the chess board in nonattacking mode

Find out all the sub words from the entered scrambled or valid word

ONE KIND WORD CAN CHANGE SOMEONES ENTIRE DAY!!!Play this word puzzle game and enjoy.The aim is to find the opposites from the jumbled letters the appgives.E.g.:BWICKELAHTThe answer is BLACKWHITE or WHITEBLACK.The order of the words does not matter.HINT, ANSWER, UNDO, CLEAR and PLAY buttons are there given on thetop of the app.HINT gives a hint.E.g.:Hint: Colour (in black colour)ANSWER gives the solution.E.g.:BLACKWHITEUNDO just undoes your previos action.E.g.:You entered BLAK, then you can just press UNDO to get BLA.CLEAR clears the typed text.PLAY gives you the next set of letters to be jumbled.Your score: gives your score, you get 1 for each word you solvewithout taking help of ANSWER.This app is very helpful for children to learn opposites.This app is ABSOLUTELY FREE, NO ADS and NO IN APP PURCHASES.In case of any bug please let me know through email.

Puzzle is to kill the white rat (red circled) last starting fromany position.

Puzzle is to rearrange the pieces to make the whole picture.

Try to solve the math puzzle using your logic and check your answerwith the app

Puzzle is to interchange the positions of black and white knights.

Chess Queen,Rook,Knight and King Problem

Happy Ending Problem

Lata Mangeshkar Hindi Songs